// ---------------------------------------------------------- | |
// 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 | |
// ---------------------------------------------------------- | |
// UPDATE: Now using Live NodeList idea from @jdalton | |
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; | |
}()); |
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