javascript常用功能函数

function escape(str){
    return str.replace(/[<>"&]/g,function(match){
        switch(match){
            case "<":
            return "&lt;";
            case ">":
            return "&gt;";
            case "&":
            return "&amp;";
            case "\"":
            return "&quot;";
        }
    });
}

function serilizeUrl(url){
    var result={};
    var keyvalue=[];
    var key="",value="";
    url=url.split("?")[1];
    var map=url.split("&");
    for(var i = 0, len = map.length; i < len; i++) {
       keyvalue=map[i].split("=");
       key=keyvalue[0];
       value=keyvalue[1];
       result[key]=value;
    }
    return result;
}