JSON.stringify
> var x = new Object();
< undefined
> x.a = 1
< 1
> x.b = "s"
< "s"
> JSON.stringify(x,null,"");
< "{"a":1,"b":"s"}"
> JSON.stringify(x,null," ");
< "{
"a": 1,
"b": "s"
}"
> var x = new Object();
< undefined
> x.a = 1
< 1
> x.b = "s"
< "s"
> JSON.stringify(x,null,"");
< "{"a":1,"b":"s"}"
> JSON.stringify(x,null," ");
< "{
"a": 1,
"b": "s"
}"