【javascript】js 获取 url 后的参数值

//获取 url 后的参数值
function getUrl(para){
    var paraArr = location.search.substring(1).split(‘&‘);
    var paraObj = {};    
    for(var i = 0;k = paraArr[i];i++){
        paraObj[k.substring(0,k.indexOf(‘=‘))] = k.substring(k.indexOf(‘=‘) + 1);
    }
    var returnValue = paraObj[para];
    if(typeof(returnValue) == ‘undefined‘){
        return ‘‘;
    }else{
        return returnValue;
    }
}

getUrl(‘name‘);    //‘zhuyujia‘
getUrl(‘age‘);    //‘27‘
getUrl(‘sex‘);    //‘‘