arrayFuncPop.js

"use strict";

var log = function log(x) {
  console.log(x);
};

var ary = [10, 23, 4, 0, 77];

var a = ary.pop();
log(a); // [77]

var b = ary.pop();
log(b); // [0]

log(ary); // [10, 23, 4]