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View Code? Open in Web Editor NEW积累各种在微信开发中，涉及的内容
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如何确定安卓手机上的微信浏览器版本
安卓手机上，微信所使用的浏览器内核是 x5 内核。
x5的官网上，提供了“无法加载x5内核的解决方案”。
文档名字叫：HowToLoadX5Core.doc
其中提到了，访问这个网页
http://soft.imtt.qq.com/browser/tes/feedback.html
显示000000的话，表示手机加载的是系统内核，如果是大于0的数字，表示加载了 x5 内核。
检查了一下这个网页，其内容非常简单，无非就是检查 navigator 字符串中，是否包含 TBS/ ；以及TBS/ 后面跟的数字。
源代码如下
function Init() {
var ua = navigator.userAgent;
var version = "000000";
var key = "TBS/";
var start = ua.indexOf(key);
if (start !== -1) {
start = start + key.length;
version = ua.substr(start, ua.indexOf(" ", start) - start);
}
var ele = document.getElementById("version");
var p = document.createElement("p");
p.innerHTML = "<b>" + version + "</b>";
ele.appendChild(p);
}
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