Answers for "javascript check keys of object"

how to check if object has key javascript

myObj.hasOwnProperty('key') // it checks object for particular key and not on prototype

Posted by: Guest on March-28-2020

get keys of object js

var buttons = {
  foo: 'bar',
  fiz: 'buz'
};

for ( var property in buttons ) {
  console.log( property ); // Outputs: foo, fiz or fiz, foo
}

Posted by: Guest on June-09-2020

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