first child element javascript
Both these will give you the first child node:
console.log(parentElement.firstChild); // or
console.log(parentElement.childNodes[0]);
If you need the first child that is an element node then use:
console.log(parentElement.children[0]);javascript take first element of array
const array = [1,2,3,4,5];
const firstElement = array.shift();
// array -> [2,3,4,5]
// firstElement -> 1javascript get first element of array
let array = [1,2,3] // makes your array
array[0] // returns first element of your array.get first element of array javascript
// Method - 1 ([] operator)
var arr = [1, 2, 3, 4, 5];
var first = arr[0];
console.log(first);
/*
Output: 1
*/
// Method - 2 (Array.prototype.shift())
var arr = [1, 2, 3, 4, 5];
var first = arr.slice(0, 1).shift();
console.log(first);
/*
Output: 1
*/
// Method - 3 (Destructuring Assignment)
var arr = [1, 2, 3, 4, 5];
const [first] = arr;
console.log(first);
/*
Output: 1
*/javascript select first element
// example:
document.querySelector('.message')
// syntax:
// document.querySelector('.<class-name>')Copyright © 2021 Codeinu
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