js get child element code example

Example 1: get child element by class javascript

var element = document.querySelector('#Element');
var elementChildren = element.querySelectorAll('.Element-child');

Example 2: get child of child javascript

var li = document.querySelector("li");
var number = 13;
li.children[0].children[0].innerHTML = number;

Example 3: how to get child element in javascript

let firstChild = parentElement.firstChild; 
Code language: JavaScript (javascript)

Example 4: how to get child element in javascript

let lastChild = parentElement.lastElementChild;Code language: JavaScript (javascript)