- There are many ways to call a javascript function in HTML.
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <script src="./jsFile1.js"></script> </head> <body > <button onclick="chkFunc(1)">Button 1</button> <button id="btn2">Button 1</button> </body> </html>
In jsFile1.js
function chkFunc(val1) { console.log(val1); }
- Call JavaScript Function on HTML Button OnClick.
- When the Second button is clicked, the JavaScript function is invoked.
document.getElementById("btn2").onclick = clickEvent;
- That’s what we can call javascript function on HTML button On Clink