isValidJSON javascript Code Snippet in 2025
typeintermediate
Last Updated: 30 October 2025
Checks if the provided string is a valid JSON.
- Use
JSON.parse()and atry... catchblock to check if the provided string is a valid JSON.
const isValidJSON = str => { try { JSON.parse(str); return true; } catch (e) { return false; } };
isValidJSON('{"name":"Adam","age":20}'); // true
isValidJSON('{"name":"Adam",age:"20"}'); // false
isValidJSON(null); // truejavascript snippet similar to isValidJSON For You in November 2025
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