sort object properties and JSON.stringify

Question

My application has a large array of objects, which I stringify and save them to the disk. Unfortunately, when the objects in the array are manipulated, and sometimes replac

Answer 1

This is same as Satpal Singh's answer

function stringifyJSON(obj){
    keys = [];
    if(obj){
        for(var key in obj){
            keys.push(key);
        }
    }
    keys.sort();
    var tObj = {};
    var key;
    for(var index in keys){
        key = keys[index];
        tObj[ key ] = obj[ key ];
    }
    return JSON.stringify(tObj);
}

obj1 = {}; obj1.os="linux"; obj1.name="X";
stringifyJSON(obj1); //returns "{"name":"X","os":"linux"}"

obj2 = {}; obj2.name="X"; obj2.os="linux";
stringifyJSON(obj2); //returns "{"name":"X","os":"linux"}"