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31 lines
1.1 KiB
31 lines
1.1 KiB
// 修复ie9下sort方法的bug |
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!function (window) { |
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var ua = window.navigator.userAgent.toLowerCase(), |
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reg = /msie|applewebkit.+safari/; |
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if (reg.test(ua)) { |
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var _sort = Array.prototype.sort; |
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Array.prototype.sort = function (fn) { |
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if (!!fn && typeof fn === "function") { |
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if (this.length < 2) { |
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return this; |
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} |
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var i = 0, j = i + 1, l = this.length, tmp, r = false, t = 0; |
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for (; i < l; i++) { |
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for (j = i + 1; j < l; j++) { |
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t = fn.call(this, this[i], this[j]); |
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r = (typeof t === "number" ? t : |
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t ? 1 : 0) > 0; |
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if (r === true) { |
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tmp = this[i]; |
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this[i] = this[j]; |
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this[j] = tmp; |
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} |
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} |
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} |
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return this; |
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} |
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return _sort.call(this); |
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|
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}; |
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} |
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}(window); |