how to push number in array in javascript code example

Example 1: javascript append element to array

var colors= ["red","blue"];
	colors.push("yellow");

Example 2: js push array

array.push(element_to_push);

Example 3: javascript array push

let animals = ["dog","cat","tiger"];

animals.pop(); // ["dog","cat"]

animals.push("elephant"); // ["dog","cat","elephant"]

Example 4: javascript append array to end of array

const new_array = old_array.concat([value1[, value2[, ...[, valueN]]]])