This gist showcases how to remove child elements using javascript its further explained in the DOD article by Yasir Gaji

remove-2.js

const liElements = document.querySelectorAll('li'); // this initializes "liElements" as a variable to represent all the "li" elements in the Html collection

const list = document.querySelector('ul'); // this initializes "list" as a variable to represent the "ul" element in the Html collection 

list.removeChild(liElements[3]); // THIS EXECUTES THE MAIN TASK BY TAKING OUT THE 4TH "li" ELEMENT IN THE "ul" USING THE ".removeChild()" METHOD