Profile Performance: When accessing DOM nodes with JavaScript, aim for efficiency ... and repaints by batching DOM manipulations. For example, make all changes to an element at once or use ...

/*To add a new element to the HTML DOM, you must create the element (element node) first, and then append it to an existing element.*/ To add text to the <p> element, you must create a text node first ...

When a web page is loaded, the browser creates a Document Object Model of the page. The HTML DOM model is constructed as a tree of Objects: With the object model, JavaScript gets all the power it ...