Basically, you want to loop through each direct descendent of the old-parent node, and move it to the new parent. Any children of a direct descendent will get moved with it. External link
If you’re only targeting modern browsers: Use element.classList.add to add a class: And element.classList.remove to remove a class: If you need to support Internet Explorer 9 or lower: Add a space plus the name of your new class to the className property of the element. First, put an id on the element so you can easily get a reference. Then Note the space … Read more