add array to array typescript code example

Example 1: how to add an element to a Typescript array

your_array.push(the_element);

Example 2: push another array to array typescript

var arrayA = [1, 2];
var arrayB = [3, 4];
var newArray = arrayA.concat(arrayB);

Example 3: typescript list concat

var alpha = ["a", "b", "c"]; 
var numeric = [1, 2, 3];

var alphaNumeric = alpha.concat(numeric); 
console.log("alphaNumeric : " + alphaNumeric );