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31 lines
1.1 KiB
31 lines
1.1 KiB
8 years ago
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//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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} else {
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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);
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