Example 1: javascript append to array
var colors=["red","white"];
colors.push("blue");//append 'blue' to colors
Example 2: javascript pushing to an array
some_array = ["John", "Sally"];
some_array.push("Mike");
console.log(some_array); //output will be =>
["John", "Sally", "Mike"]
Example 3: how to add a new item in an array in javascript
let array = ["Chicago", "Los Angeles", "Calgary", "Seattle", ]
// print the array
console.log(array)
//Adding a new item in an array without touching the actual array
array.push('New Item') < variable_name > .push( < What you want to add > )
//How many items does the array have?
console.log("This array has", array.length, "things in it")
Example 4: js add to array
const myArray = ['hello', 'world'];
// add an element to the end of the array
myArray.push('foo'); // ['hello', 'world', 'foo']
// add an element to the front of the array
myArray.unshift('bar'); // ['bar', 'hello', 'world', 'foo']
// add an element at an index of your choice
// the first value is the index you want to add at
// the second value is how many you want to delete (0 in this case)
// the third value is the value you want to insert
myArray.splice(2, 0, 'there'); // ['bar', 'hello', 'there', 'world', 'foo']
Example 5: java add element to existing array
//original array
String[] rgb = new String[] {"red", "green"};
//new array with one more length
String[] rgb2 = new String[rgb.length + 1];
//copy the old in the new array
System.arraycopy(rgb, 0, rgb2, 0, rgb.length);
//add element to new array
rgb2[rgb.length] = "blue";
//optional: set old array to new array
rgb = rgb2;
Example 6: how to add objects in array java
car redCar = new Car("Red");
car Garage [] = new Car [100];
Garage[0] = redCar;