var whenReady = (function() { var funcs = []; var ready = false; function handler(e) { if (ready) return; if (e.type === “onreadystatechange” && document.readyState !== “complete”) { return; } for (var i = 0; i < funcs.length; i ++) { funcs[i].call(document); } ready = true; funcs = null; } if (document.addEventListener) { document.addEventListener("DOMContentLoaded", handler, false); document.addEventListener("readystatechange", handler, false); window.addEventListener("load", handler, false); }else if (document.attachEvent) { document.attachEvent("onreadystatechange", handler); window.attachEvent("onload", handler); } return function whenReady(fn) { if (ready) { fn.call(document); } else { funcs.push(fn); } } }) (); whenReady(function() { browserRedirect(getInitialScale()); }); function getInitialScale() { var firstDivWidth = document.getElementsByTagName("div")[0].style.width; var divWidth = parseInt(firstDivWidth); var layoutViewport = document.documentElement.clientWidth; return value = layoutViewport / divWidth; } function browserRedirect(value) { var userAgentValue = navigator.userAgent.toLowerCase(); var isIpad = userAgentValue.match(/ipad/i) == "ipad"; var isIphoneOs = userAgentValue.match(/iphone os/i) == "iphone os"; var isMidp = userAgentValue.match(/midp/i) == "midp"; var isUc7 = userAgentValue.match(/rv:1.2.3.4/i) == "rv:1.2.3.4"; var isUc = userAgentValue.match(/ucweb/i) == "ucweb"; var isAndroid = userAgentValue.match(/android/i) == "android"; var isCE = userAgentValue.match(/windows ce/i) == "windows ce"; var isWindowsMobile = userAgentValue.match(/windows mobile/i) == "windows mobile"; var meta = document.getElementsByName("viewport")[0]; if (isIpad || isIphoneOs || isMidp) { meta.setAttribute("content", "width=device-width"); } else if (isUc7 || isUc || isAndroid || isCE || isWindowsMobile) { meta.setAttribute("content", "initial-scale=" + value + ", width=device-width"); } else { meta.removeAttribute("content"); } }
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