JavaScript gets the parameters in the URL

varUrltools = {    //get Rul parameter valueGeturlparam:function(name) {/*? videoid=identification*/        varparams = decodeURI (Window.location.search);/*intercept? After the part index.html?act=doctor, the truncated string is? Act=doctor*/        varReg =NewRegExp ("(^|&)" + name + "= ([^&]*) (&|$)"); varr = Params.substr (1). Match (REG); if(r!=NULL)returnUnescape (r[2]);return NULL; }};

var categoryId = Urltools.geturlparam ("CategoryId");  Get the parameters in the URL

The second Kind

the following JS function is used to get the URL parameters:functiongetqueryvariable (variable) {varquery = window.location.search.substring (1); varVARs = Query.split ("&");  for(vari=0;i<vars.length;i++) {               varPair = Vars[i].split ("="); if(Pair[0] = = variable) {returnPair[1];} }       return(false);} Use instance URL instance: http://www.runoob.com/index.html?id=1&image=awesome.jpgCall getqueryvariable ("id") to return 1. Call Getqueryvariable ("Image") returns "Awesome.jpg".

JavaScript gets the parameters in the URL