angularjs - remove an object from an object array in javascript -

i have object like:

object {w74: object, w100: object,w12: object,w3: object} 

i need eleminate 1 of them have

object {w74: object, w100: object,w3: object} 

how can remove in javascript

use delete operator:

var ob = {w74: {number: 1}, w100: {number: 2},w12: {number: 3},w3: {number: 4}};  console.log(ob);  delete ob.w74;  console.log(ob);