keyCode?

查看监听 keyCode

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Greasemonkey 油猴子Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Userscripts ,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @namespace    howsun_keycode_watcher
// @name         keyCode?
// @version      1.0
// @description  查看监听 keyCode
// @author       howsun(keith)
// @include      *
// @match        *
// @icon         data:image/gif;base64,R0lGODlhIAAgAIIHAJSUlGZmZvPz89vb2zU1Nby8vAAAAP///yH/C05FVFNDQVBFMi4wAwEBAAAh+QQBAAAHACwAAAAAIAAgAAAI+AAPCBxIsKDBgwgPCgCQsKFDAQYYOpxokICBARQzCgxggIAAjRQ5RgQ5UeRFkg1NBviI8qBJAyxbFjTpUaZBAB0JBLBpsIDOADt5EiwAFKhQggMAAJV49EDSAEybDiAaE2HViQOmlqyqFWFWjA51EhRQ82CBAlddGigwEGLUoWAbku3IEmJQgwLS4jXA9y4BAnFRQuQL88DgtyAH8/04gC9ijYoLN+6I92xcvQUI18zMd0DeAkr7BpiqFHTWswBwWiQgkDPh16KLLgVQIKsAnwEIsDUMu7fmALWvLg38srdOtAlTBzZc/PhyhQCeC5xqGeTZpgXzFgwIADs=
// @license      MIT
// ==/UserScript==

const keyCodeMap = {"8":"BackSpace","9":"Tab","12":"Clear","13":"Enter","16":"Shift","17":"Control","18":"Alt","20":"Cape Lock","27":"Esc","32":"Spacebar","33":"Page Up","34":"Page Down","35":"End","36":"Home","37":"Left Arrow","38":"Up Arrow","39":"Right Arrow","40":"Dw Arrow","45":"Insert","46":"Delete","48":"0","49":"1","50":"2","51":"3","52":"4","53":"5","54":"6","55":"7","56":"8","57":"9","65":"A","66":"B","67":"C","68":"D","69":"E","70":"F","71":"G","72":"H","73":"I","74":"J","75":"K","76":"L","77":"M","78":"N","79":"O","80":"P","81":"Q","82":"R","83":"S","84":"T","85":"U","86":"V","87":"W","88":"X","89":"Y","90":"Z","96":"0","97":"1","98":"2","99":"3","100":"4","101":"5","102":"6","103":"7","104":"8","105":"9","106":"*","107":"+","108":"Enter","109":"-","110":".","111":"/","112":"F1","113":"F2","114":"F3","115":"F4","116":"F5","117":"F6","118":"F7","119":"F8","120":"F9","121":"F10","122":"F11","123":"F12","144":"Num Lock","170":"搜索","171":"收藏","172":"浏览器","173":"静音","174":"音量减","175":"音量加","179":"停止","180":"邮件","186":";:","187":"=+","188":",<","189":"-_","190":".>","191":"/?","192":"`~","219":"[{","220":"/|","221":"]}","222":"'\""};

(function() {
    'use strict';
    // 滚轮事件
    // document.addEventListener('mousewheel', mouseScrollEventFoo);
    // document.addEventListener('DOMMouseScroll', mouseScrollEventFoo);
    // const keyCodeMap = GM.getResourceUrl('keyCodeMap');
    let keypress = new Array();

    document.onkeydown = function(event){
        var e = event || window.event;
        e.preventDefault();
        //e.stopPropagation();
        if (e){
            // let k = e.keyCode.toString();
            let name = keyCodeMap[e.keyCode];
            keypress.push(e.keyCode +' '+ name);
        }
    }

    document.onkeyup = function(event){
        var e = event || window.event;
        e.preventDefault();
        //e.stopPropagation();

        let text = '按键:';
        if (keypress.length > 1) {
            text = '组合按键: ';
        }

        text += "\n";
        text += keypress.join("\n");
        keypress.length = 0;
        console.log(text);
    }
    // Your code here...
})();