How to get first element of a array in JavaScript
In this tutorial, we are going to learn about two different ways to get the first element of a array in JavaScript.
Consider we have an array with 3 elements like this.
const arr = ['lol','ball','doll']
Now, we need to get the first element 'lol'
from the above array.
First way: Using element index
We can get the first element of an array by using its element index.
Example:
const arr = ['lol','ball','doll'];
console.log(arr[0]); // 'lol'
Note: In JavaScript, the array index starts from 0 so that the first element index is 0.
Second way: Using the slice method
In es6, we have a slice( ) method, if we pass 0,1
as arguments to the slice()
method we can get the first element of an array.
Example:
const arr = ['lol','ball','doll']
console.log(...arr.slice(0,1)); // 'lol'
Note: The
slice()
method doesn’t modify your original array.
You can also read, how to get last element of an array in JavaScript.