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]*/
node
var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0];for( var i = 0; i < arr.length; i++){ if ( arr[i] === 5) { arr.splice(i, 1); }}//=> [1, 2, 3, 4, 6, 7, 8, 9, 0]
["bar", "baz", "foo", "qux"]list.splice(0, 2) // Starting at index position 0, remove two elements ["bar", "baz"] and retains ["foo", "qux"].