javascript prepend child code example

Example 1: mdn appendchild

// Create a new paragraph element, and append it to the end of the document body
let p = document.createElement("p");
document.body.appendChild(p);

Example 2: prepen an element js

// prepend span to a div 
document.createElement("div").prepend(span);

Example 3: javascript add element above

$( "<p>Test</p>" ).insertBefore( ".inner" );