javascript add to array vs remove elements code example

Example 1: how to delete object property of array javascript

array.forEach(function(v){ delete v.bad });

Example 2: how to delete an element from an array in javascript

var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0];var removed = arr.splice(2,2);/*removed === [3, 4]arr === [1, 2, 5, 6, 7, 8, 9, 0]*/