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Print JSON nested object in JavaScript?
To print JSON nested object in JavaScript, use for loop along with JSON.parse(). Following is the code −
Example
var details = [ { "studentId": 101, "studentName": "John", "countryName": "US", "subjectDetails": "{\"0\":\"JavaScript\",\"1\":\"David\"}" }, { "studentId": 102, "studentName": "Bob", "countryName": "UK", "subjectDetails": "{\"0\":\"Java\",\"1\":\"Carol\"}" }, { "studentId": 103, "studentName": "Mike", "countryName": "AUS", "subjectDetails": "{\"0\":\"MongoDB\",\"1\":\"Adam\"}" } ] for (const detailsObject of details) { const subjectDetailsObject = JSON.parse(detailsObject.subjectDetails); console.log(subjectDetailsObject[0]); }
To run the above program, you need to use the following command −
node fileName.js.
Here, my file name is demo145.js.
Output
This will produce the following output −
PS C:\Users\Amit\JavaScript-code> node demo145.js JavaScript Java MongoDB
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