var myObject = { "name": "jon", "gender": "male", "registered": "yes" }; delete myObject.gender; console.log(myObject); //other methods delete myObject.gender; // or, delete myObject['gender']; // or, var prop = "gender"; delete myObject[prop];
function removeProperty(obj, prop) { if (obj.hasOwnProperty(prop)) { delete obj[prop]; return true; } return false; }