<!DOCTYPE html> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rel="stylesheet" href="styles.css" type="text/css" media="all" /> </head> <body> <button onclick="clickFunction()" type="submit">Click me !</button> <h1>This page doesn't execute the JacvaScript code as it should.</h1> <script src="script.js"></script> </body> </html>