不要在javascript中获得返回关联数组

Question

When i create associate array in javascript, i got a problem like that. I want to get the value by using field name as key, but i just only got undefined. What should i do to get value by key or which way is good approach for it.

Here is my code

function getFields(pVal){
    var tmpObj = {};
    str = pVal.split(",");
    for(i=0;i<str.length;i++){
        tmpVal = str[i].split(":");
        tmpObj[tmpVal[0]] = tmpVal[1];  
    }
    return tmpObj;
}

function JustTest(){
   var fields = {}; 
   fields = getFields("'Code':'PRJ001','Name':'Project 01'");
   alert(fields['Code']);
}

Answer 1

Because the key is 'Code' , not Code , note the single quote ' , you need do alert(fields["'Code'"]);

PS: Please add ; at the end of statement, it is bad practice to omit them.

Answer 2

I have re-factor the code, just try this:

function getFields(pVal) {
    var tmpObj = {};
    var str = pVal.split(",");
    for (var i = 0; i < str.length; i++) {
        var tmpVal = str[i].split(":");
        tmpObj[tmpVal[0]] = tmpVal[1];
    }
    return tmpObj;
}

function JustTest() {
    var fields = { };
    fields = getFields("'Code':'PRJ001','Name':'Project 01'");
    alert(fields["'Code'"]);
}

if you have question please comment below about code, thanks