8.3.1. Common Array Methods // push Examples
//The general syntax for this method is:
arrayName.push(item1, item2, ...)
/*This method adds one or more items to the END of an array and returns
the new length.*/
//The new items may be of any data type.
let arr = ['a', 'b', 'c'];
console.log(arr.push('d', 'f', 42));
console.log(arr);
//6
//['a', 'b', 'c', 'd', 'f', 42]