getElementById
The document.getElementById(id) is a method of the document object that is used to get an element by its element id. It is the easiest way to find an HTML element in the DOM.
Syntax:
document.getElementById(id)
Example:
<!DOCTYPE html> <html> <body> <h1 id="DOM1">"Get Element by ID!"</h1> <p id="DOM2"></p> <script> var myElement = document.getElementById("DOM1"); document.getElementById("DOM2").innerHTML = "The text from DOM1 is " + myElement.innerHTML; </script> </body> </html>