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JS判断各种浏览器,根据判断动态引入不同的CSS文件、JS文件

2016-12-01 15:14 1726 查看
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<title>JS判断各种浏览器,根据判断动态引入不同的CSS文件、JS文件</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" type="text/css" href="css/base.css" />
</head>
<body>
<div id="scroll-bar" class="scroll-bar"></div>
<script type="text/javascript">
function getBrowser() {
var ua = window.navigator.userAgent;
var isIE = window.ActiveXObject != undefined && ua.indexOf("MSIE") != -1;
var isFirefox = ua.indexOf("Firefox") != -1;
var isOpera = window.opr != undefined;
var isChrome = ua.indexOf("Chrome") && window.chrome;
var isSafari = ua.indexOf("Safari") != -1 && ua.indexOf("Version") != -1;
if (isIE) {
return "IE";
} else if (isFirefox) {
return "Firefox";
} else if (isOpera) {
return "Opera";
} else if (isChrome) {
return "Chrome";
} else if (isSafari) {
return "Safari";
} else {
return "Unkown";
}
}

var linkNode = document.createElement("link"),scriptNode = document.createElement("script");
linkNode.setAttribute("rel","stylesheet");
linkNode.setAttribute("type","text/css");
scriptNode.setAttribute("type", "text/javascript");

if(getBrowser()=="IE"){
linkNode.setAttribute("href","css/index-ie.css");
scriptNode.setAttribute("src", "js/index-ie.js");
}else if(getBrowser()=="Firefox"){
linkNode.setAttribute("href","css/index-firefox.css");
scriptNode.setAttribute("src", "js/index-firefox.js");
}else if(getBrowser()=="Opera"){
linkNode.setAttribute("href","css/index-opera.css");
scriptNode.setAttribute("src", "js/index-opera.js");
}else if(getBrowser()=="Chrome"){
linkNode.setAttribute("href","css/index-chrome.css");
scriptNode.setAttribute("src", "js/index-chrome.js");
}else if(getBrowser()=="Safari"){
linkNode.setAttribute("href","css/index-safari.css");
scriptNode.setAttribute("src", "js/index-safari.js");
}
document.head.appendChild(linkNode);
document.head.appendChild(scriptNode);
document.getElementById("scroll-bar").innerHTML = "您的浏览器是:"+getBrowser();
</script>
</body>
</html>


以下是目录截图:

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标签:  浏览器 javascript js