Putting strings inside objects - javascript

Question

I have some more complicated strings than as follow but to put it simple, suppose I have

var stats_members = ",\{\"y\"\: 6\}";
var data = 
    [{
                "x": "2012-11-05",
                "y": 6
            },+stats_members+
            ]
          ;

When I console.log(data)I keep on getting Uncaught SyntaxError: Unexpected token ] Could someone explain why ?

Your goal isn't obvious, here. So it's hard to fix your code. — Denys Séguret
– Denys Séguret, Commented Sep 20, 2013 at 9:04
why do you have two + (addition, concatenation) symbol with only one operand in your array declaration ? — Lepidosteus
– Lepidosteus, Commented Sep 20, 2013 at 9:04
Perhaps you would like to eval that string into an object and then just put a reference to it in your new object, with no plus signs. — JAL
– JAL, Commented Sep 20, 2013 at 9:05
@Lepidosteus because, here in fact I have some smarty dyanmically generated code. But to make it simple I put some strings to test — user1611830
– user1611830, Commented Sep 20, 2013 at 9:06

rink.attendant.6 · Accepted Answer · 2013-09-20 09:07:58Z

1

As the comments show what you are trying to achieve is unclear.

Also:

},+stats_members+

should be

},+stats_members

edited Sep 20, 2013 at 9:07

rink.attendant.6

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answered Sep 20, 2013 at 9:06

Mathijs Segers

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1 Comment

user1611830 Over a year ago

Thanks it works ! In fact I have some smarty dyanmically generated code. But to make it simple I put some strings to test

Rami · Accepted Answer · 2013-09-20 09:09:41Z

1

There is an extra '+' in the data variable declaration.

it should be:

var data = [{"x": "2012-11-05", "y": 6 }, stats_members];

answered Sep 20, 2013 at 9:09

Rami

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Comments

Ashisha Nautiyal · Accepted Answer · 2013-09-20 09:11:03Z

1

var stats_members = ",\{\"y\"\: 6\}";
var data = 
    [{
                "x": "2012-11-05",
                "y": 6
            },+stats_members
            ]
          ;

That extra plus after "stats_members" is causing problem bro

answered Sep 20, 2013 at 9:11

Ashisha Nautiyal

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Comments

Tibos · Accepted Answer · 2013-09-20 09:10:44Z

You're doing some very weird stuff there. To make it very very simple, this is how the parser interprets your code:

var data = 
[                         //-> here starts an array literal
{                         //-> here starts an object literal (first array item)
  "x": "2012-11-05",      //-> here is the property x in the object literal
  "y": 6                  //-> here is the property y in the object literal
}                         //-> here ends the object literal
,                         //-> comma separating array items
+stats_members            //-> cast to number by the unary + sign
+                         //-> add something to the value on the previous row
]                         //-> array literal end should not be here, it is expecting something to add

If you want to explain exactly what you are trying to do, we could help with a better syntax.

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