function getData () { //处理get参数---------------------------- var strUrl = window . location . toString (); var getPara , ParaVal ; var aryPara = []; if ( strUrl . indexOf ( "?" ) != - 1 ) { var getSearch = strUrl . split ( "?" ); getPara = getSearch [ getSearch . length - 1 ]. split ( "&" ); for ( var i = 0 ; i < getPara . length ; i ++) { ParaVal = getPara [ i ]. split ( "=" ); aryPara [ ParaVal [ 0 ]] = ParaVal [ 1 ]; } } //处理get参数 end------------------------ return aryPara ; } getData会回传阵列方式的参数回来 https://qyweqwe.com?a=123 var GET = getData(); console.log(GET['a']); //log会印出123