使用js重新对jQuery的部分函数进行了仿写
目前为
此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.gf.qytechs.cn/scripts/465772/1250683/DOMUtils.js
/**
* 自己常用的元素工具类
* @copyright GPL-3.0-only
* @author WhiteSev
**/
(function (global, factory) {
/**
* 不使用define
* typeof define === "function" && define.amd
* define(factory)
*/
if (typeof exports === "object" && typeof module !== "undefined") {
/* 适用于NodeJs或typeScript */
module.exports = factory();
} else {
global = typeof globalThis !== "undefined" ? globalThis : global || self;
/* 适用于浏览器中，且this对象是window，如果this是其它，那么会在其它对象下注册(不可用)对象 */
global.DOMUtils = factory(global.DOMUtils);
}
})(typeof window !== "undefined" ? window : this, function (AnotherDOMUtils) {
const DOMUtils = {};
/**
* @type {string} 元素工具类的版本
*/
DOMUtils.version = "2023-9-15";
let globalUtils = {
/**
* 用于显示元素并获取它的高度宽度等其它属性
* @param {Element} element
* @returns {{recovery: Function}} - 恢复
*/
showElement: function (element) {
let oldCSS_display = element.style.display;
let oldCSS_visibility = element.style.visibility;
let oldCSS_position = element.style.position;
element.style.display = "block";
element.style.visibility = "hidden";
element.style.position = "absolute";
return {
recovery() {
element.style.display = oldCSS_display;
element.style.visibility = oldCSS_visibility;
element.style.position = oldCSS_position;
},
};
},
};
/**
* 获取或设置元素的属性值
* @param {HTMLElement|string} element 目标元素
* @param {string} attrName 属性名
* @param {string} [attrValue] 属性值（可选）
* @returns {?string} 如果传入了attrValue，则返回undefined；否则返回属性值
* @example
* // 获取a.xx元素的href属性
* DOMUtils.attr(document.querySelector("a.xx"),"href");
* DOMUtils.attr("a.xx","href");
* > https://xxxx....
* @example
* // 修改a.xx元素的href属性为abcd
* DOMUtils.attr(document.querySelector("a.xx"),"href","abcd");
* DOMUtils.attr("a.xx","href","abcd");
* */
DOMUtils.attr = function (element, attrName, attrValue) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (attrValue === undefined) {
return element.getAttribute(attrName);
} else {
element.setAttribute(attrName, attrValue);
}
};
/**
* 创建元素
* @param {string} tagName 元素类型
* @param {object} property 元素属性
* @returns {Element}
* @example
* // 创建一个DIV元素，且属性class为xxx
* DOMUtils.createElement("div",{ class:"xxx" });
* > <div class="xxx"></div>
* @example
* // 创建一个DIV元素
* DOMUtils.createElement("div");
* > <div></div>
*/
DOMUtils.createElement = function (tagName, property) {
let tempElement = document.createElement(tagName);
if (typeof property === "string") {
tempElement.innerHTML = property;
return tempElement;
}
if (property == null) {
return tempElement;
}
Object.keys(property).forEach((key) => {
if (key in tempElement || typeof property[key] === "object") {
tempElement[key] = property[key];
} else {
tempElement.setAttribute(key, property[key]);
}
});
return tempElement;
};
/**
* 获取或设置元素的样式属性值
* @param {Element|string} element 目标元素
* @param {string|object} property 样式属性名或包含多个属性名和属性值的对象
* @param {string} [value] 样式属性值（可选）
* @returns {?string} 如果传入了value，则返回undefined；否则返回样式属性值
* @example
* // 获取元素a.xx的CSS属性display
* DOMUtils.css(document.querySelector("a.xx"),"display");
* DOMUtils.css("a.xx","display");
* > "none"
* @example
* // 设置元素a.xx的CSS属性display为block
* DOMUtils.css(document.querySelector("a.xx"),"display","block");
* DOMUtils.css(document.querySelector("a.xx"),"display","block !important");
* DOMUtils.css(document.querySelector("a.xx"),{ display: "block" }});
* DOMUtils.css(document.querySelector("a.xx"),{ display: "block !important" }});
* DOMUtils.css("a.xx","display","block");
* DOMUtils.css("a.xx","display","block !important");
* @example
* // 设置元素a.xx的CSS属性top为10px
* DOMUtils.css(document.querySelector("a.xx"),"top","10px");
* DOMUtils.css(document.querySelector("a.xx"),"top",10);
* DOMUtils.css(document.querySelector("a.xx"),{ top: "10px" });
* DOMUtils.css(document.querySelector("a.xx"),{ top: 10 });
* */
DOMUtils.css = function (element, property, value) {
/**
* 把纯数字没有px的加上
*/
function handlePixe(propertyName, propertyValue) {
let allowAddPixe = [
"width",
"height",
"top",
"left",
"right",
"bottom",
"font-size",
];
if (typeof propertyValue === "number") {
propertyValue = propertyValue.toString();
}
if (
typeof propertyValue === "string" &&
allowAddPixe.includes(propertyName) &&
propertyValue.match(/[0-9]$/gi)
) {
propertyValue = propertyValue + "px";
}
return propertyValue;
}
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (typeof property === "string") {
if (value === undefined) {
return getComputedStyle(element).getPropertyValue(property);
} else {
if (value === "string" && value.includes("!important")) {
element.style.setProperty(property, value, "important");
} else {
value = handlePixe(property, value);
element.style.setProperty(property, value);
}
}
} else if (typeof property === "object") {
for (let prop in property) {
if (
typeof property[prop] === "string" &&
property[prop].includes("!important")
) {
element.style.setProperty(prop, property[prop], "important");
} else {
property[prop] = handlePixe(prop, property[prop]);
element.style.setProperty(prop, property[prop]);
}
}
}
};
/**
* 获取或设置元素的文本内容
* @param {Element|element} element 目标元素
* @param {string} [text] 文本内容（可选）
* @returns {?string} 如果传入了text，则返回undefined；否则返回文本内容
* @example
* // 设置元素a.xx的文本内容为abcd
* DOMUtils.text(document.querySelector("a.xx"),"abcd")
* DOMUtils.text("a.xx","abcd")
* DOMUtils.html("a.xx",document.querySelector("b"))
* */
DOMUtils.text = function (element, text) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (text === undefined) {
return element.textContent || element.innerText;
} else {
if (text instanceof Node || text instanceof Element) {
text = text.textContent || text.innerText;
}
if ("textContent" in element) {
element.textContent = text;
} else if ("innerText" in element) {
element.innerText = text;
}
}
};
/**
* 获取或设置元素的HTML内容
* @param {Element|string} element 目标元素
* @param {Element|string} [html] HTML内容|元素（可选）
* @returns {?string} 如果传入了html，则返回undefined；否则返回HTML内容
* @example
* // 设置元素a.xx的文本内容为<b>abcd</b>
* DOMUtils.html(document.querySelector("a.xx"),"<b>abcd</b>")
* DOMUtils.html("a.xx","<b>abcd</b>")
* DOMUtils.html("a.xx",document.querySelector("b"))
* */
DOMUtils.html = function (element, html) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (html == null) {
return element.innerHTML;
} else {
if (html instanceof Node || html instanceof Element) {
html = html.innerHTML;
}
if ("innerHTML" in element) {
element.innerHTML = html;
}
}
};
/**
* 绑定或触发元素的click事件
* @param {Element|string} element 目标元素
* @param {function} [handler] 事件处理函数（可选）
* @example
* // 触发元素a.xx的click事件
* DOMUtils.click(document.querySelector("a.xx"))
* DOMUtils.click("a.xx")
* DOMUtils.click("a.xx"，function(){
* console.log("触发click事件成功")
* })
* */
DOMUtils.click = function (element, handler) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (handler === undefined) {
DOMUtils.trigger(element, "click");
} else {
DOMUtils.on(element, "click", null, handler);
}
};
/**
* 绑定或触发元素的blur事件
* @param {Element|string} element 目标元素
* @param {function} [handler] 事件处理函数（可选）
* @example
* // 触发元素a.xx的blur事件
* DOMUtils.blur(document.querySelector("a.xx"))
* DOMUtils.blur("a.xx")
* DOMUtils.blur("a.xx"，function(){
* console.log("触发blur事件成功")
* })
* */
DOMUtils.blur = function (element, handler) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (handler === undefined) {
DOMUtils.trigger(element, "blur");
} else {
DOMUtils.on(element, "blur", null, handler);
}
};
/**
* 绑定或触发元素的focus事件
* @param {Element|string} element 目标元素
* @param {?function} [handler] 事件处理函数（可选）
* @example
* // 触发元素a.xx的focus事件
* DOMUtils.focus(document.querySelector("a.xx"))
* DOMUtils.focus("a.xx")
* DOMUtils.focus("a.xx"，function(){
* console.log("触发focus事件成功")
* })
* */
DOMUtils.focus = function (element, handler) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (handler === undefined) {
DOMUtils.trigger(element, "focus");
} else {
DOMUtils.on(element, "focus", null, handler);
}
};
/**
* 获取或设置元素的value属性值
* @param {Element|string} element 目标元素
* @param {string} [value] value属性值（可选）
* @returns {string|undefined} 如果传入了value，则返回undefined；否则返回value属性值
* @example
* // 获取元素input.xx的复选框值
* DOMUtils.val(document.querySelector("input.xx"))
* DOMUtils.val("input.xx")
* > true
* @example
* // 修改元素input.xx的复选框值为true
* DOMUtils.val(document.querySelector("input.xx"),true)
* DOMUtils.val("input.xx",true)
* */
DOMUtils.val = function (element, value) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (value == null) {
if (
element.localName === "input" &&
(element.type === "checkbox" || element.type === "radio")
) {
return element.checked;
} else {
return element.value;
}
} else {
if (
element.localName === "input" &&
(element.type === "checkbox" || element.type === "radio")
) {
element.checked = !!value;
} else {
element.value = value;
}
}
};
/**
* 获取或设置元素的属性值
* @param {Element|string} element 目标元素
* @param {string} propName 属性名
* @param {string} [propValue] 属性值（可选）
* @returns {string|undefined} 如果传入了propValue，则返回undefined；否则返回属性值
* @example
* // 获取元素a.xx的属性data-value
* DOMUtils.val(document.querySelector("a.xx"),"data-value")
* DOMUtils.val("a.xx","data-value")
* > undefined
* @example
* // 设置元素a.xx的属性data-value为1
* DOMUtils.val(document.querySelector("a.xx"),"data-value",1)
* DOMUtils.val("a.xx","data-value",1)
* */
DOMUtils.prop = function (element, propName, propValue) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (propValue == null) {
return element[propName];
} else {
element[propName] = propValue;
}
};
/**
* 移除元素的属性
* @param {Element|string} element 目标元素
* @param {string} attrName 属性名
* @example
* // 移除元素a.xx的属性data-value
* DOMUtils.removeAttr(document.querySelector("a.xx"),"data-value")
* DOMUtils.removeAttr("a.xx","data-value")
* */
DOMUtils.removeAttr = function (element, attrName) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
element.removeAttribute(attrName);
};
/**
* 移除元素class名
* @param {Element|string} element 目标元素
* @param {string} className class名
* @returns {DOMUtils} 原型链
* @example
* // 移除元素a.xx的className为xx
* DOMUtils.removeClass(document.querySelector("a.xx"),"xx")
* DOMUtils.removeClass("a.xx","xx")
*/
DOMUtils.removeClass = function (element, className) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (className == null) {
return;
}
element.classList.remove(className);
};
/**
* 移除元素的属性
* @param {Element|string} element 目标元素
* @param {string} propName 属性名
* @example
* // 移除元素a.xx的href属性
* DOMUtils.removeProp(document.querySelector("a.xx"),"href")
* DOMUtils.removeProp("a.xx","href")
* */
DOMUtils.removeProp = function (element, propName) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
delete element[propName];
};
/**
* 将一个元素替换为另一个元素
* @param {Element|string} element 目标元素
* @param {Element|string} newElement 新元素
* @returns {DOMUtils} 原型链
* @example
* // 替换元素a.xx为b.xx
* DOMUtils.replaceWith(document.querySelector("a.xx"),document.querySelector("b.xx"))
* DOMUtils.replaceWith("a.xx",'<b class="xx"></b>')
*/
DOMUtils.replaceWith = function (element, newElement) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (typeof newElement === "string") {
newElement = DOMUtils.parseHTML(newElement, false, false);
}
if (element instanceof NodeList || element instanceof Array) {
element.forEach((item) => {
DOMUtils.replaceWith(item, newElement);
});
} else {
element.parentElement.replaceChild(newElement, element);
}
};
/**
* 给元素添加class
* @param {Element|string} element 目标元素
* @param {string} className class名
* @example
* // 元素a.xx的className添加_vue_
* DOMUtils.addClass(document.querySelector("a.xx"),"_vue_")
* DOMUtils.addClass("a.xx","_vue_")
* */
DOMUtils.addClass = function (element, className) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
element.classList.add(className);
};
/**
* 函数在元素内部末尾添加子元素或HTML字符串
* @param {Element|string} element 目标元素
* @param {object|string} content 子元素或HTML字符串
* @example
* // 元素a.xx的内部末尾添加一个元素
* DOMUtils.append(document.querySelector("a.xx"),document.querySelector("b.xx"))
* DOMUtils.append("a.xx","'<b class="xx"></b>")
* */
DOMUtils.append = function (element, content) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (typeof content === "string") {
element.insertAdjacentHTML("beforeend", content);
} else {
element.appendChild(content);
}
};
/**
* 函数 在元素内部开头添加子元素或HTML字符串
* @param {Element|string} element 目标元素
* @param {object|string} content 子元素或HTML字符串
* @example
* // 元素a.xx内部开头添加一个元素
* DOMUtils.prepend(document.querySelector("a.xx"),document.querySelector("b.xx"))
* DOMUtils.prepend("a.xx","'<b class="xx"></b>")
* */
DOMUtils.prepend = function (element, content) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (typeof content === "string") {
element.insertAdjacentHTML("afterbegin", content);
} else {
element.insertBefore(content, element.firstChild);
}
};
/**
* 在元素后面添加兄弟元素或HTML字符串
* @param {Element|string} element 目标元素
* @param {object|string} content 兄弟元素或HTML字符串
* @example
* // 元素a.xx后面添加一个元素
* DOMUtils.after(document.querySelector("a.xx"),document.querySelector("b.xx"))
* DOMUtils.after("a.xx","'<b class="xx"></b>")
* */
DOMUtils.after = function (element, content) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (typeof content === "string") {
element.insertAdjacentHTML("afterend", content);
} else {
element.parentElement.insertBefore(content, element.nextSibling);
}
};
/**
* 在元素前面添加兄弟元素或HTML字符串
* @param {Element|string} element 目标元素
* @param {object|string} content 兄弟元素或HTML字符串
* @example
* // 元素a.xx前面添加一个元素
* DOMUtils.before(document.querySelector("a.xx"),document.querySelector("b.xx"))
* DOMUtils.before("a.xx","'<b class="xx"></b>")
* */
DOMUtils.before = function (element, content) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (typeof content === "string") {
element.insertAdjacentHTML("beforebegin", content);
} else {
element.parentElement.insertBefore(content, element);
}
};
/**
* 移除元素
* @param {Element|string|NodeList} element 目标元素
* @example
* // 元素a.xx前面添加一个元素
* DOMUtils.remove(document.querySelector("a.xx"))
* DOMUtils.remove(document.querySelectorAll("a.xx"))
* DOMUtils.remove("a.xx")
* */
DOMUtils.remove = function (element) {
if (typeof element === "string") {
element = document.querySelectorAll(element);
}
if (element == null) {
return;
}
if (element instanceof NodeList || element instanceof Array) {
element.forEach(function (item) {
DOMUtils.remove(item);
});
} else {
element.remove();
}
};
/**
* 移除元素的所有子元素
* @param {Element|string} element 目标元素
* @example
* // 移除元素a.xx元素的所有子元素
* DOMUtils.empty(document.querySelector("a.xx"))
* DOMUtils.empty("a.xx")
* */
DOMUtils.empty = function (element) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
while (element.firstChild) {
element.removeChild(element.firstChild);
}
};
/**
* 绑定事件
* @param {Element|string} element 需要绑定的元素
* @param {string|Array} eventType 需要监听的事件
* @param {HTMLElement?} selector 子元素选择器
* @param {Function} callback 事件触发的回调函数
* @param {Boolean} capture 表示事件是否在捕获阶段触发。默认为false，即在冒泡阶段触发
* @param {Boolean} once 表示事件是否只触发一次。默认为false
* @param {Boolean} passive 表示事件监听器是否不会调用preventDefault()。默认为false
* @example
* // 监听元素a.xx的click事件
* DOMUtils.on(document.querySelector("a.xx"),"click",(event)=>{
* console.log("事件触发",event)
* })
* DOMUtils.on("a.xx","click",(event)=>{
* console.log("事件触发",event)
* })
* @example
* // 监听元素a.xx的click、tap、hover事件
* DOMUtils.on(document.querySelector("a.xx"),"click tap hover",(event)=>{
* console.log("事件触发",event)
* })
* DOMUtils.on("a.xx",["click","tap","hover"],(event)=>{
* console.log("事件触发",event)
* })
* @example
* // 监听全局document下的子元素a.xx的click事件
* DOMUtils.on(document,"click tap hover","a.xx",(event)=>{
* console.log("事件触发",event)
* })
*/
DOMUtils.on = function (
element,
eventType,
selector,
callback,
capture = false,
once = false,
passive = false
) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
let eventTypeList = [];
if (Array.isArray(eventType)) {
eventTypeList = eventType;
} else if (typeof eventType === "string") {
eventTypeList = eventType.split(" ");
}
if (typeof selector === "function") {
/* 这是为没有selector的情况 */
callback = selector;
selector = null;
}
let originCallBack = callback;
let ownCallBack = function (event) {
if (selector) {
let target = event.target;
let totalParent =
element == globalThis
? document.documentElement
: element;
if (target.matches(selector)) {
/* 当前目标可以被selector所匹配到 */
originCallBack.call(target, event);
return;
} else if (
target.closest(selector) &&
totalParent.contains(target.closest(selector))
) {
/* 在上层与主元素之间寻找可以被selector所匹配到的 */
let closestElement = target.closest(selector);
/* event的target值不能直接修改 */
Object.defineProperty(event, "target", {
get: function () {
return closestElement;
},
});
originCallBack.call(closestElement, event);
return;
}
} else {
originCallBack.call(event.target, event);
}
};
eventTypeList.forEach((_eventType_) => {
element.addEventListener(
_eventType_,
ownCallBack,
capture,
once,
passive
);
});
if (originCallBack && originCallBack.delegate) {
element.setAttribute("data-delegate", selector);
}
let events = element.events || {};
events[eventType] = events[eventType] || [];
events[eventType].push({
selector: selector,
callback: ownCallBack,
});
element.events = events;
};
/**
* 取消绑定事件
* @param {Element|string} element 需要取消绑定的元素
* @param {string|Array} eventType 需要取消监听的事件
* @param {?string} selector 子元素选择器
* @param {Function} callback 事件触发的回调函数
* @param {Boolean} useCapture 表示事件是否在捕获阶段处理，它是一个可选参数，默认为false，表示在冒泡阶段处理事件。
* 如果在添加事件监听器时指定了useCapture为true，则在移除事件监听器时也必须指定为true
* @example
* // 取消监听元素a.xx的click事件
* DOMUtils.off(document.querySelector("a.xx"),"click")
* DOMUtils.off("a.xx","click")
* // 取消监听元素a.xx的click、tap、hover事件
* DOMUtils.off(document.querySelector("a.xx"),"click tap hover")
* DOMUtils.off("a.xx",["click","tap","hover"])
* // 取消监听全局下的a.xx的点击事件
* DOMUtils.off(document,"click","a.xx")
*/
DOMUtils.off = function (
element,
eventType,
selector,
callback,
useCapture = false
) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
let events = element.events || {};
let eventTypeList = [];
if (!eventType) {
for (let type in events) {
eventTypeList = [...eventTypeList, type];
}
} else if (Array.isArray(eventType)) {
eventTypeList = eventType;
} else if (typeof eventType === "string") {
eventTypeList = eventType.split(" ");
}
eventTypeList.forEach((_eventType_) => {
let handlers = events[eventType] || [];
for (let i = 0; i < handlers.length; i++) {
if (
(!selector || handlers[i].selector === selector) &&
(!callback || handlers[i].callback === callback)
) {
element.removeEventListener(
_eventType_,
handlers[i].callback,
useCapture
);
handlers.splice(i--, 1);
}
}
if (handlers.length === 0) {
delete events[eventType];
}
});
element.events = events;
};
/**
* 主动触发事件
* @param {Element|string} element 需要触发的元素
* @param {String|Array} eventType 需要触发的事件
* @example
* // 触发元素a.xx的click事件
* DOMUtils.trigger(document.querySelector("a.xx"),"click")
* DOMUtils.trigger("a.xx","click")
* // 触发元素a.xx的click、tap、hover事件
* DOMUtils.trigger(document.querySelector("a.xx"),"click tap hover")
* DOMUtils.trigger("a.xx",["click","tap","hover"])
*/
DOMUtils.trigger = function (element, eventType) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
let events = element.events || {};
let eventTypeList = [];
if (!eventType) {
for (let type in events) {
eventTypeList = [...eventTypeList, type];
}
} else if (Array.isArray(eventType)) {
eventTypeList = eventType;
} else if (typeof eventType === "string") {
eventTypeList = eventType.split(" ");
}
eventTypeList.forEach((_eventType_) => {
let event = new Event(_eventType_);
element.dispatchEvent(event);
});
};
/**
* 设置或返回被选元素相对于文档的偏移坐标
* @param {Element|string} element
* @returns {Object}
* @example
* // 获取元素a.xx的对于文档的偏移坐标
* DOMUtils.offset(document.querySelector("a.xx"))
* DOMUtils.offset("a.xx")
* > 0
*/
DOMUtils.offset = function (element) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
let rect = element.getBoundingClientRect();
let win = window;
return {
top: rect.top + win.scrollY,
left: rect.left + win.scrollX,
};
};
/**
* 获取元素的宽度
* @param {Element|string} element 要获取宽度的元素
* @returns {Number} 元素的宽度，单位为像素
* @example
* // 获取元素a.xx的宽度
* DOMUtils.width(document.querySelector("a.xx"))
* DOMUtils.width("a.xx")
* > 100
* // 获取window的宽度
* DOMUtils.width(window)
* > 400
* @example
* // 设置元素a.xx的宽度为200
* DOMUtils.width(document.querySelector("a.xx"),200)
* DOMUtils.width("a.xx",200)
*/
DOMUtils.width = function (element) {
if (element == globalThis) {
return window.document.documentElement.clientWidth;
}
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (element.nodeType === 9) {
/* 文档节点 */
return Math.max(
element.body.scrollWidth,
element.documentElement.scrollWidth,
element.body.offsetWidth,
element.documentElement.offsetWidth,
element.documentElement.clientWidth
);
}
let handleElement = globalUtils.showElement(element);
let view = element.ownerDocument.defaultView;
if (!view || !view.opener) {
view = window;
}
let styles = view.getComputedStyle(element);
let elementPaddingLeft = parseFloat(styles.paddingLeft);
let elementPaddingRight = parseFloat(styles.paddingRight);
if (isNaN(elementPaddingLeft)) {
elementPaddingLeft = 0;
}
if (isNaN(elementPaddingRight)) {
elementPaddingRight = 0;
}
let elementWidth =
element.clientWidth - elementPaddingLeft - elementPaddingRight;
handleElement.recovery();
return elementWidth;
};
/**
* 获取元素的高度
* @param {Element|string} element 要获取高度的元素
* @returns {Number} 元素的高度，单位为像素
* @example
* // 获取元素a.xx的高度
* DOMUtils.height(document.querySelector("a.xx"))
* DOMUtils.height("a.xx")
* > 100
* // 获取window的高度
* DOMUtils.height(window)
* > 700
* @example
* // 设置元素a.xx的高度为200
* DOMUtils.height(document.querySelector("a.xx"),200)
* DOMUtils.height("a.xx",200)
*/
DOMUtils.height = function (element) {
if (element == globalThis) {
return window.document.documentElement.clientHeight;
}
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (element.nodeType === 9) {
/* 文档节点 */
return Math.max(
element.body.scrollHeight,
element.documentElement.scrollHeight,
element.body.offsetHeight,
element.documentElement.offsetHeight,
element.documentElement.clientHeight
);
}
let handleElement = globalUtils.showElement(element);
let view = element.ownerDocument.defaultView;
if (!view || !view.opener) {
view = window;
}
let styles = view.getComputedStyle(element);
let elementPaddingTop = parseFloat(styles.paddingTop);
let elementPaddingBottom = parseFloat(styles.paddingBottom);
if (isNaN(elementPaddingTop)) {
elementPaddingTop = 0;
}
if (isNaN(elementPaddingBottom)) {
elementPaddingBottom = 0;
}
let elementHeight =
element.clientHeight - elementPaddingTop - elementPaddingBottom;
handleElement.recovery();
return elementHeight;
};
/**
* 获取元素的外部宽度（包括边框和外边距）
* @param {Element|string} element 要获取外部宽度的元素
* @returns {Number} 元素的外部宽度，单位为像素
* @example
* // 获取元素a.xx的外部宽度
* DOMUtils.outerWidth(document.querySelector("a.xx"))
* DOMUtils.outerWidth("a.xx")
* > 100
* // 获取window的外部宽度
* DOMUtils.outerWidth(window)
* > 400
*/
DOMUtils.outerWidth = function (element) {
if (element == globalThis) {
return window.innerWidth;
}
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
let handleElement = globalUtils.showElement(element);
let style = getComputedStyle(element, null);
let elementMarginLeft = parseFloat(style.marginLeft);
let elementMarginRight = parseFloat(style.marginRight);
if (isNaN(elementMarginLeft)) {
elementMarginLeft = 0;
}
if (isNaN(elementMarginRight)) {
elementMarginRight = 0;
}
handleElement.recovery();
return element.offsetWidth + elementMarginLeft + elementMarginRight;
};
/**
* 获取元素的外部高度（包括边框和外边距）
* @param {Element|string} element 要获取外部高度的元素
* @returns {Number} 元素的外部高度，单位为像素
* @example
* // 获取元素a.xx的外部高度
* DOMUtils.outerHeight(document.querySelector("a.xx"))
* DOMUtils.outerHeight("a.xx")
* > 100
* // 获取window的外部高度
* DOMUtils.outerHeight(window)
* > 700
*/
DOMUtils.outerHeight = function (element) {
if (element == globalThis) {
return window.innerHeight;
}
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
let handleElement = globalUtils.showElement(element);
let style = getComputedStyle(element, null);
let elementMarginTop = parseFloat(style.marginTop);
let elementMarginBottom = parseFloat(style.marginBottom);
if (isNaN(elementMarginTop)) {
elementMarginTop = 0;
}
if (isNaN(elementMarginBottom)) {
elementMarginBottom = 0;
}
handleElement.recovery();
return element.offsetHeight + elementMarginTop + elementMarginBottom;
};
/**
* 等待文档加载完成后执行指定的函数
* @param {Function} callback 需要执行的函数
* @example
* DOMUtils.ready(function(){
* console.log("文档加载完毕")
* })
*/
DOMUtils.ready = function (callback) {
function completed() {
document.removeEventListener("DOMContentLoaded", completed);
window.removeEventListener("load", completed);
callback();
}
if (
document.readyState === "complete" ||
(document.readyState !== "loading" && !document.documentElement.doScroll)
) {
window.setTimeout(callback);
} else {
/* 监听DOMContentLoaded事件 */
document.addEventListener("DOMContentLoaded", completed);
/* 监听load事件 */
window.addEventListener("load", completed);
}
};
/**
* 在一定时间内改变元素的样式属性，实现动画效果
* @param {Element|string} element 需要进行动画的元素
* @param {Object} styles 动画结束时元素的样式属性
* @param {Number} [duration=1000] 动画持续时间，单位为毫秒
* @param {Function} [callback=null] 动画结束后执行的函数
* @example
* // 监听元素a.xx的从显示变为隐藏
* DOMUtils.animate(document.querySelector("a.xx"),{ top:100},1000,function(){
* console.log("已往上位移100px")
* })
*/
DOMUtils.animate = function (
element,
styles,
duration = 1000,
callback = null
) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (typeof duration !== "number" || duration <= 0) {
throw new TypeError("duration must be a positive number");
}
if (typeof callback !== "function" && callback !== null) {
throw new TypeError("callback must be a function or null");
}
if (typeof styles !== "object" || styles === null) {
throw new TypeError("styles must be an object");
}
if (Object.keys(styles).length === 0) {
throw new Error("styles must contain at least one property");
}
let start = performance.now();
let from = {};
let to = {};
for (let prop in styles) {
from[prop] = element.style[prop] || getComputedStyle(element)[prop];
to[prop] = styles[prop];
}
let timer = setInterval(function () {
let timePassed = performance.now() - start;
let progress = timePassed / duration;
if (progress > 1) {
progress = 1;
}
for (let prop in styles) {
element.style[prop] =
from[prop] + (to[prop] - from[prop]) * progress + "px";
}
if (progress === 1) {
clearInterval(timer);
if (callback) {
callback();
}
}
}, 10);
};
/**
* 将一个元素包裹在指定的HTML元素中
* @param {Element|string} element 要包裹的元素
* @param {string} wrapperHTML 要包裹的HTML元素的字符串表示形式
* @example
* // 将a.xx元素外面包裹一层div
* DOMUtils.wrap(document.querySelector("a.xx"),"<div></div>")
*/
DOMUtils.wrap = function (element, wrapperHTML) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
// 创建一个新的div元素，并将wrapperHTML作为其innerHTML
let wrapper = document.createElement("div");
wrapper.innerHTML = wrapperHTML;
wrapper = wrapper.firstChild;
// 将要包裹的元素插入目标元素前面
element.parentElement.insertBefore(wrapper, element);
// 将要包裹的元素移动到wrapper中
wrapper.appendChild(element);
};
/**
* 获取当前元素的前一个兄弟元素
* @param {Element|string} element 当前元素
* @returns {?Element} 前一个兄弟元素
* @example
* // 获取a.xx元素前一个兄弟元素
* DOMUtils.prev(document.querySelector("a.xx"))
* DOMUtils.prev("a.xx")
* > <div ...>....</div>
*/
DOMUtils.prev = function (element) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
return element.previousElementSibling;
};
/**
* 获取当前元素的后一个兄弟元素
* @param {Element|string} element 当前元素
* @returns {?Element} 后一个兄弟元素
* @example
* // 获取a.xx元素前一个兄弟元素
* DOMUtils.next(document.querySelector("a.xx"))
* DOMUtils.next("a.xx")
* > <div ...>....</div>
*/
DOMUtils.next = function (element) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
return element.nextElementSibling;
};
/**
* 释放原有的DOMUtils控制权
* @example
* let DOMUtils = window.DOMUtils.noConflict()
*/
DOMUtils.noConflict = function () {
if (window.DOMUtils) {
delete window.DOMUtils;
}
if (AnotherDOMUtils) {
window.DOMUtils = AnotherDOMUtils;
}
return DOMUtils;
};
/**
* 获取当前元素的所有兄弟元素
* @param {Element|string} element 当前元素
* @returns {?Array} 所有兄弟元素
* @example
* // 获取a.xx元素所有兄弟元素
* DOMUtils.siblings(document.querySelector("a.xx"))
* DOMUtils.siblings("a.xx")
* > (3) [div.logo-wrapper, div.forum-block, div.more-btn-desc]
*/
DOMUtils.siblings = function (element) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
return Array.from(element.parentElement.children).filter(
(child) => child !== element
);
};
/**
* 获取当前元素的父元素
* @param {Element|NodeList|string} element 当前元素
* @returns {?Element|Array} 父元素
* @example
* // 获取a.xx元素的父元素
* DOMUtils.parent(document.querySelector("a.xx"))
* DOMUtils.parent("a.xx")
* > <div ...>....</div>
*/
DOMUtils.parent = function (element) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (element instanceof NodeList || element instanceof Array) {
let resultArray = [];
element.forEach((item) => {
resultArray = resultArray.concat(this.parent(item));
});
return resultArray;
} else {
return element.parentElement;
}
};
/**
* 将字符串转为Element元素
* @param {string} html
* @param {boolean} useParser 是否使用DOMParser来生成元素，有些时候通过DOMParser生成的元素有点问题
* @param {boolean} isComplete 是否是完整的
* @returns {Element}
* @example
* // 将字符串转为Element元素
* DOMUtils.parseHTML("<a href='xxxx'></a>")
* > <a href="xxxx"></a>
* @example
* // 使用DOMParser将字符串转为Element元素
* DOMUtils.parseHTML("<a href='xxxx'></a>",true)
* > <a href="xxxx"></a>
* @example
* // 由于需要转换的元素是多个元素，将字符串转为完整的Element元素
* DOMUtils.parseHTML("<a href='xxxx'></a><a href='xxxx'></a>",false, true)
* > <div><a href="xxxx"></a><a href='xxxx'></a></div>
* @example
* // 由于需要转换的元素是多个元素，使用DOMParser将字符串转为完整的Element元素
* DOMUtils.parseHTML("<a href='xxxx'></a><a href='xxxx'></a>",true, true)
* > #document
*/
DOMUtils.parseHTML = function (html, useParser = false, isComplete = false) {
function parseHTMLByDOMParser() {
let parser = new DOMParser();
if (isComplete) {
return parser.parseFromString(html, "text/html");
} else {
return parser.parseFromString(html, "text/html").body.firstChild;
}
}
function parseHTMLByCreateDom() {
let tempDIV = document.createElement("div");
tempDIV.innerHTML = html;
if (isComplete) {
return tempDIV;
} else {
return tempDIV.firstChild;
}
}
if (useParser) {
return parseHTMLByDOMParser();
} else {
return parseHTMLByCreateDom();
}
};
/**
* 当鼠标移入或移出元素时触发事件
* @param {Element|string} element 当前元素
* @param {Function} handler 事件处理函数
* @example
* // 监听a.xx元素的移入或移出
* DOMUtils.hover(document.querySelector("a.xx"),()=>{
* console.log("移入/移除");
* })
* DOMUtils.hover("a.xx",()=>{
* console.log("移入/移除");
* })
*/
DOMUtils.hover = function (element, handler) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
DOMUtils.on(element, "mouseenter", null, handler);
DOMUtils.on(element, "mouseleave", null, handler);
};
/**
* 显示元素
* @param {Element|string} element 当前元素
* @example
* // 显示a.xx元素
* DOMUtils.show(document.querySelector("a.xx"))
* DOMUtils.show("a.xx")
*/
DOMUtils.show = function (element) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
element.style.display = "";
};
/**
* 隐藏元素
* @param {Element|string} element 当前元素
* @example
* // 隐藏a.xx元素
* DOMUtils.hide(document.querySelector("a.xx"))
* DOMUtils.hide("a.xx")
*/
DOMUtils.hide = function (element) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
element.style.display = "none";
};
/**
* 当按键松开时触发事件
* @param {Element|string} element 当前元素
* @param {Function} handler 事件处理函数
* @example
* // 监听a.xx元素的按键松开
* DOMUtils.keyup(document.querySelector("a.xx"),()=>{
* console.log("按键松开");
* })
* DOMUtils.keyup("a.xx",()=>{
* console.log("按键松开");
* })
*/
DOMUtils.keyup = function (element, handler) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
DOMUtils.on(element, "keyup", null, handler);
};
/**
* 当按键按下时触发事件
* @param {Element|string} element 当前元素
* @param {Function} handler 事件处理函数
* @example
* // 监听a.xx元素的按键按下
* DOMUtils.keydown(document.querySelector("a.xx"),()=>{
* console.log("按键按下");
* })
* DOMUtils.keydown("a.xx",()=>{
* console.log("按键按下");
* })
*/
DOMUtils.keydown = function (element, handler) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
DOMUtils.on(element, "keydown", null, handler);
};
/**
* 淡入元素
* @param {Element|string} element 当前元素
* @param {Number} [duration=400] 动画持续时间（毫秒），默认400毫秒
* @param {Function} callback 动画结束的回调
* @example
* // 元素a.xx淡入
* DOMUtils.fadeIn(document.querySelector("a.xx"),2500,()=>{
* console.log("淡入完毕");
* })
* DOMUtils.fadeIn("a.xx",undefined,()=>{
* console.log("淡入完毕");
* })
*/
DOMUtils.fadeIn = function (element, duration = 400, callback) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
element.style.opacity = 0;
element.style.display = "";
let start = null;
let timer = null;
function step(timestamp) {
if (!start) start = timestamp;
let progress = timestamp - start;
element.style.opacity = Math.min(progress / duration, 1);
if (progress < duration) {
window.requestAnimationFrame(step);
} else {
if (callback && typeof callback === "function") {
callback();
}
window.cancelAnimationFrame(timer);
}
}
timer = window.requestAnimationFrame(step);
};
/**
* 淡出元素
* @param {Element|string} element 当前元素
* @param {Number} [duration=400] 动画持续时间（毫秒），默认400毫秒
* @param {Function} callback 动画结束的回调
* @example
* // 元素a.xx淡出
* DOMUtils.fadeOut(document.querySelector("a.xx"),2500,()=>{
* console.log("淡出完毕");
* })
* DOMUtils.fadeOut("a.xx",undefined,()=>{
* console.log("淡出完毕");
* })
*/
DOMUtils.fadeOut = function (element, duration = 400, callback) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
element.style.opacity = 1;
let start = null;
let timer = null;
function step(timestamp) {
if (!start) start = timestamp;
let progress = timestamp - start;
element.style.opacity = Math.max(1 - progress / duration, 0);
if (progress < duration) {
window.requestAnimationFrame(step);
} else {
element.style.display = "none";
if (typeof callback === "function") {
callback();
}
window.cancelAnimationFrame(timer);
}
}
timer = window.requestAnimationFrame(step);
};
/**
* 切换元素的显示和隐藏状态
* @param {Element|string} element 当前元素
* @example
* // 如果元素a.xx当前是隐藏，则显示，如果是显示，则隐藏
* DOMUtils.toggle(document.querySelector("a.xx"))
* DOMUtils.toggle("a.xx")
*/
DOMUtils.toggle = function (element) {
if (typeof element === "string") {
element = document.querySelector(element);
}
if (element == null) {
return;
}
if (getComputedStyle(element).getPropertyValue("display") === "none") {
DOMUtils.show(element);
} else {
DOMUtils.hide(element);
}
};
return DOMUtils;
});
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