JAVASCRIPT

how to insert html in javascript

var h = document.getElementById("myH2");
h.insertAdjacentHTML("afterend", "<p>My new paragraph</p>"); 

how to insert html into javascript

let target = document.getElementById("ID");
target.innerHTML += "<p>CONTENTS</p>";

javascript add to html

<script src ="path/your js file name"></script>

js insert html

document.getElementById('tag-id').innerHTML = '<ol><li>html data</li></ol>';