Check value if it’s a JSON string.

Check if the value is valid JSON.

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Check Syntax

_z.isJson(Object);

• _z to access UnderZ library.
• isJson method/action name.
• Object Any object to check if its valid JSON.

Returns: true OR false boolean

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Examples

<script>
var str1 = "String";
var str2 = [1, 2];
var str3 = 1;
var str4 = "[1,2,3,4]";
var str5 = { k: "v" };

_z.isJson( str1 ); // false
_z.isJson( str2 ); // false
_z.isJson( str3 ); // true
_z.isJson( str4 ); // true
_z.isJson( str5 ); // false
</script>

Note: Numbers is valid JSON.