Lightsaber Escape QR Code Display

Adds a QR Code of the "lightsaber URL" to the front page of Lightsaber Escape
目前為 2016-03-24 提交的版本，檢視最新版本。
安裝腳本 ?
Wrap lines
// ==UserScript==
// @name          Lightsaber Escape QR Code Display
// @namespace     DoomTay
// @description   Adds a QR Code of the "lightsaber URL" to the front page of Lightsaber Escape
// @version       1.1.0
// @include       https://lightsaber.withgoogle.com/
// @grant         GM_xmlhttpRequest

// ==/UserScript==

var observer = new MutationObserver(function(mutations) {
	mutations.forEach(function(mutation) {
        if(document.getElementById("url") && document.getElementById("url").textContent.indexOf("g.co") > -1)
        {
            observer.disconnect();
            lightsaberURL = document.getElementById("url");
            GM_xmlhttpRequest({
                method: "GET",
                url: "https://chart.googleapis.com/chart?chs=120x120&cht=qr&chl=" + lightsaberURL.textContent + "&chld=L|1&choe=UTF-8",
                overrideMimeType: "text/plain; charset=x-user-defined",
                onload: function(response) {
                    var QRCode = new Image();
                    QRCode.id = "LSCode";
                    var arr = new Uint8Array(response.responseText.length);
                    
                    for(var i = 0; i < response.responseText.length; ++i) {
                        arr[i] = response.responseText.charCodeAt(i) & 0xFF;
                    }
                    
                    var imageData = new Blob([arr.buffer],{type:"image/png"});
                    QRCode.src = window.URL.createObjectURL(imageData);
                    document.getElementsByClassName("centered")[0].insertBefore(QRCode,document.getElementsByClassName("connection-url-wrapper style-scope sw-page-landing")[0]);
                    QRCode.width = 120;
                    QRCode.height = 120;
                    QRCode.style.position = "absolute";
                    QRCode.style.left = "45%";
                    QRCode.style.bottom = "-35px";
                }
            });
        }
	});    
});
var config = { attributes: true, childList: true, characterData: true, subtree: true };
observer.observe(document.body, config);
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