JavaScript: Object.getOwnPropertyNames

By Xah Lee. Date: . Last updated: .
Object.getOwnPropertyNames( obj )
Return a array of all own string property keys. (Exclude symbol keys. Include non-enumerable ones).

[see List Properties]

[see Symbol Tutorial]

const obj = {3:4, 5:6};
console.log( Object.getOwnPropertyNames ( obj ) );
// [ '3', '5' ]

const arr = [3, 4, 5];
console.log( Object.getOwnPropertyNames ( arr ) );
// [ '0', '1', '2', 'length' ]
JS in Depth
XAH  BUY NOW

JS in Depth

JS Obj Ref

DOM


JS Obj Ref

Object Object

prototype