String to JSON object

Question

I'm trying to convert a JavaScript string whose value is already formatted in JSON syntax, to a valid JSON object using JSON.parse.

// JSON formatted string
var string = "{'1451893035': 1.2,'1452670635':0.5,'1451720235': 2.5}";
// parse to JSON object
console.log(JSON.parse(string));

I'm currently getting this error:

Uncaught SyntaxError: Unexpected token '

I'm using double quotes to declare the string value, and single quotes within the string. — Kyle
– Kyle, Commented Jan 17, 2016 at 1:03
for starters...where do you get the string from? Chances are problem can be simplified at the source. Most programming languages will do all the needed serialization for you — charlietfl
– charlietfl, Commented Jan 17, 2016 at 1:25

ikegami · Accepted Answer · 2016-01-17 01:02:39Z

5

{'1451893035': 1.2,'1452670635':0.5,'1451720235': 2.5}

isn't valid JSON. You want:

{"1451893035": 1.2,"1452670635":0.5,"1451720235": 2.5}

answered Jan 17, 2016 at 1:02

ikegami

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3 Comments

Kyle Over a year ago

Ahh, thanks! So JSON just can't handle single 'quotations'

jcaron Over a year ago

Use a real JSON encoder to encode JSON. JSON is a lot stricter than Javascript, and manually-assembled JSON always ends up in catastrophe.

ikegami Over a year ago

I can approve of "don't write your own JSON encoder", but "don't write your own JSON"? That's silly.

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