javascript add html inside div code example

Example 1: javascript add div

<div id="new">
<p id="p1">Tutorix</p>
<p id="p2">Tutorialspoint</p>
</div>
<script>
   var tag = document.createElement("p");
   var text = document.createTextNode("Tutorix is the best e-learning platform");
   tag.appendChild(text);
   var element = document.getElementById("new");
   element.appendChild(tag);
</script>

Example 2: js add more text to element

document.getElementById("p").textContent += " This is the text from javascript.";

<p id ="p">This is the text from HTML.</p>

Example 3: javascript add div to body with class

// correct me if im wrong
var MainDiv = document.createElement('div');
var ChildDiv1 = MainDiv.createElement('div');
ChildDiv1.className = 'contextmenu_contextMenu_3_a2Z contextmenu_ContextMenuFocusContainer_2thYU';
ChildDiv1.tabIndex = "0";
ChildDiv1.style = "visibility: visible; bottom: 56px; right: 68px;"
var ChildDiv2 = ChildDiv1.createElement('div');
ChildDiv1.className = 'contextmenu_contextMenuContents_1yyTu';
var DivButton1 = ChildDiv2.createElement('div');
DivButton1.className = 'contextmenu_contextMenuItem_CBC-y contextMenuItem';
DivButton1.value = "Upload an Image";
var DivButton2 = ChildDiv2.createElement('div');
DivButton2.className = 'contextmenu_contextMenuItem_CBC-y contextMenuItem';
DivButton2.value = "Share Your Trade Offer URL";
document.body.appendChild(MainDiv);