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<!DOCTYPE html> <html> <body> <h1>The Element Object</h1> <h2>The hasAttribute() Method</h2> <button id="myBtn" onclick="myFunction()">BUTTON</button> <p>Does the button have an onclick attribute:</p> <p id="demo"></p> <script> const myButton = document.getElementById("myBtn"); let answer = myButton.hasAttribute("onclick"); document.getElementById("demo").innerHTML = answer; </script> </body> <!-- Mirrored from www.globaltuts.com/jsref/tryit.asp?filename=tryjsref_element_hasattribute by HTTrack Website Copier/3.x [XR&CO'2014], Tue, 26 Jul 2022 06:17:15 GMT --> </html>