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I want to validate a JSON object without the help of any libraries in nodejs.

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    Please define what do you mean by validate and post a sample json Commented May 7, 2018 at 9:32
  • And what did you find so far and why it doesn't fit your needs? Commented May 7, 2018 at 9:32
  • I just want to know if the JSON object is valid without errors. there are a lot of libraries which does the job I want to do it without using them. Commented May 7, 2018 at 9:35
  • i just want to check if the json objcet passed is without errors and in proper syntax. Commented May 7, 2018 at 9:36
  • Just use JSON.prase. It will throw error if invalid json. Look at the link provided by @ChrisR Commented May 7, 2018 at 9:37

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Just by parsing it, using JSON.parse function:

function isValidJSON(text){
    try{
        JSON.parse(text);
        return true;
    }
    catch (error){
        return false;
    }
}


console.log(isValidJSON("hello")); // false
console.log(isValidJSON("{}")); // true
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