从Url中获取某一参数的参数值:var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");详解

下面代码时从url中获取参数名为name的参数值javascript var getQuery = function(name) { var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); var r = window.location.search.substr(1).match(reg); if (r != null) re

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