Convert Javascript object to string ( json string )

var objPerson = {};

objPerson.Names = 'Chill';

objPerson.CarNo = [1, 2, 3]

var jsonResultText = JSON.stringify(objPerson, null, 2);

jsonResultText;

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The above will produce the below json string as output

"{
  "Names": "Chill",
  "CarNo": [
    1,
    2,
    3
  ]
}"