摘要:
if (!String.prototype.includes) { String.prototype.includes = function(search, start) { 'use strict'; if (typeof start !== 'number') { start = 0; } if 阅读全文
posted @ 2016-04-28 08:12
shidengyun
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摘要:
if (!Array.prototype.includes) { Array.prototype.includes = function(searchElement /*, fromIndex*/ ) { 'use strict'; var O = Object(this); var len = p 阅读全文
posted @ 2016-04-28 08:09
shidengyun
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