JSON.parse is not working for converting JSON string to JSON object

Question

Need help to convert below JSON string into JSON object.Even string JSON is valid json (verified by https://jsonlint.com/).

JSON:

{
    "condition": "AND",
    "rules": [{
            "id": "amount",
            "operator": "greater_or_equal",
            "value": "900"
        },
        {
            "condition": "AND",
            "rules": [{
                    "id": "vendorname",
                    "operator": "equal",
                    "value": "US BANK NATIONAL ASSOCIATION"
                },

                {
                    "id": "vendorname",
                    "operator": "equal",
                    "value": "HANSEN SOLUTIONS  LLC"
                }
            ]
        }
    ]

}

What is the error, what doesn't work? You've only got half a question. — ste2425
– ste2425, Commented Aug 5, 2017 at 7:48
Error in console log --Uncaught SyntaxError: Invalid or unexpected token — Om Chaturvedi
– Om Chaturvedi, Commented Aug 5, 2017 at 7:53
@OmChaturvedi I just tried this in chrome dev tools looks fine tbh imgur.com/a/LslsH — adiga
– adiga, Commented Aug 5, 2017 at 7:59

Hassan Imam · Accepted Answer · 2017-08-05 08:06:41Z

4

Your JSON string is multiline. Multiline string should be stored using template literals, otherwise use string concatenation to represent your string.

The below exmaple uses template literals. It is used to represent multi line string.

var str = `{
	"condition": "AND",
	"rules": [{
			"id": "amount",
			"operator": "greater_or_equal",
			"value": "900"
		},
		{
			"condition": "AND",
			"rules": [{
					"id": "vendorname",
					"operator": "equal",
					"value": "US BANK NATIONAL ASSOCIATION"
				},

				{
					"id": "vendorname",
					"operator": "equal",
					"value": "HANSEN SOLUTIONS  LLC"
				}
			]
		}
	]
}`;

console.log(JSON.parse(str));

This is a single line string.

var str = '{"condition":"AND","rules":[{"id":"amount","operator":"greater_or_equal","value":"900"},{"condition":"AND","rules":[{"id":"vendorname","operator":"equal","value":"US BANK NATIONAL ASSOCIATION"},{"id":"vendorname","operator":"equal","value":"HANSEN SOLUTIONS  LLC"}]}]}';

console.log(JSON.parse(str));

answered Aug 5, 2017 at 8:06

Hassan Imam

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2 Comments

Tim Hobbs Over a year ago

Not sure why you were down voted. This is the likely issue. But also not really sure why OP is creating a string to convert to an object when he could just create the object in the first place.

Hassan Imam Over a year ago

Even I am not sure What is OP trying to do.

Divide by Zero · Accepted Answer · 2017-08-05 08:03:55Z

3

Need help to convert below JSON string into JSON object.Even string JSON is valid json (verified by https://jsonlint.com/).

JSON.parse(jsonString); Is a pure JavaScript approach so long as you can require a reasonably modern browser.

See also https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse

Update: Try JSON.parse(JSON.stringify(TheString))

edited Aug 5, 2017 at 8:03

answered Aug 5, 2017 at 7:48

Divide by Zero

1,4843 gold badges18 silver badges42 bronze badges

5 Comments

Om Chaturvedi Over a year ago

Thanks for your input...I am using chrome browser

Divide by Zero Over a year ago

You are welcome. This should solve your problem: JSON.parse(jsonString);

Om Chaturvedi Over a year ago

@ Spacemoose , I am already using JSON.parse.See the issue title

Tim Hobbs Over a year ago

He probably was down voted because the title states "JSON.parse is not working" and his submitted answer is basically "use JSON.parse". Huh?

Divide by Zero Over a year ago

try JSON.parse(JSON.stringify(yourString))

sfrehse · Accepted Answer · 2017-08-05 07:51:54Z

0

Just using

try {
      let obj = JSON.parse( string);
} catch( e) {
    // conversion fails
   console.error( e ) 
}

answered Aug 5, 2017 at 7:51

sfrehse

1,0929 silver badges22 bronze badges

1 Comment

sfrehse Over a year ago

However, let is not available on some Browser. But typescript should work. ☺️

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