javascript array add value code example

Example 1: javascript append to array

var colors=["red","white"];
colors.push("blue");//append 'blue' to colors

Example 2: javascript add items to array

//adding items to array
objects = [];
objects.push("you can add a string,number,boolean,etc");
//if you more stuff in a array
//before i made a error doing value = : value
objects.push({variable1 : value, variable2 : value);
//we do the {} so we tell it it will have more stuff and the variable : value

Example 3: js insert in array

const months = ['Jan', 'March', 'April', 'June'];
months.splice(1, 0, 'Feb');
// inserts at index 1
console.log(months);
// expected output: Array ["Jan", "Feb", "March", "April", "June"]

months.splice(4, 1, 'May');
// replaces 1 element at index 4
console.log(months);
// expected output: Array ["Jan", "Feb", "March", "April", "May"]

Example 4: how to make and add to an array in javascript

var arrayExample = [53,'Hello World!'];
console.log(arrayExample) //Output =>
[53,'Hello World!']

//You can also do this
arrayExample.push(true);

console.log(arrayExample); //Output =>
[53,'Hello World!',true];