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js method to get parameters from the page_javascript skills

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2016-05-16 16:37:011256browse

This article mainly introduces how to obtain the parameters from the page through window.location.search. It has been tested and is OK

function GetQueryString(name) { 
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)","i"); 
var r = window.location.search.substr(1).match(reg); 
if (r!=null) return (r[2]); return null; 
} 

var sname = GetQueryString("name"); 
if(sname!=null) 
{ 
var sname_ = decodeURIComponent(sname); 
alert(sname_); 
}

Test

abcd.html?name=xyz

xyz should pop up

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