How to Declare an Array in JavaScript - Step by Step Examples
How to Declare an Array in JavaScript ?
Answer
To declare an array in JavaScript, you can use the array literal notation or the Array constructor.
✐ Examples
1 Declare an Array using Literal Notation
In this example,
- We declare an array named
numbers
using the array literal notation[]
and initialize it with some values. - This creates an array object.
- We print the array elements to the console.
JavaScript Program
let numbers = [1, 2, 3, 4, 5];
console.log('Array elements:', numbers);
Output
Array elements: [ 1, 2, 3, 4, 5 ]
2 Declare an Array using Array Constructor
In this example,
- We declare an empty array named
fruits
using the Array constructornew Array()
. - We then add elements to the array using array index notation.
- We print the array elements to the console.
JavaScript Program
let fruits = new Array();
fruits[0] = 'Apple';
fruits[1] = 'Banana';
fruits[2] = 'Orange';
console.log('Array elements:', fruits);
Output
Array elements: [ 'Apple', 'Banana', 'Orange' ]
Summary
In this tutorial, we learned How to Declare an Array in JavaScript language with well detailed examples.
More JavaScript Arrays Tutorials
- How to Declare an Array in JavaScript ?
- How to Initialize an Array in JavaScript ?
- How to Access Array Elements in JavaScript ?
- How to Access Array Elements using Index in JavaScript ?
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- How to check if an Array is Empty in JavaScript ?
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- How to Declare a String Array in JavaScript ?
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