javascript get child element by tag code example

Example 1: javascript get child by name

let myForm = document.getElementById('form');

let child = myForm.querySelector('input[name="username"]');

console.log(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)