JS代码如下:
/**
*判断IE版本号
* @param
* @arrange (编程之家) jb51.cc
**/
// ----------------------------------------------------------
// A short snippet for detecting versions of IE in JavaScript
// without resorting to user-agent sniffing
// ----------------------------------------------------------
// If you're not in IE (or IE version is less than 5) then:
// ie === undefined
// If you're in IE (>=5) then you can determine which version:
// ie === 7; // IE7
// Thus,to detect IE:
// if (ie) {}
// And to detect the version:
// ie === 6 // IE6
// ie > 7 // IE8,IE9 ...
// ie < 9 // Anything less than IE9
// ----------------------------------------------------------
var ie = (function(){
var undef,v = 3,div = document.createElement('div'),all = div.getElementsByTagName('i');
while (
div.innerHTML = '<!--[if gt IE ' + (++v) + ']><i></i><![endif]-->',all[0]
);
return v > 4 ? v : undef;
}());
// 来自:编程之家 jb51.cc(jb51.cc)
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