How to execute a JavaScript function in HTML?

javascript is a high-level, interpreted language. It is used for adding interactivity to web pages. In JavaScript, there are a lot of commands that perform actions. For example, the JavaScript function alert() generates a pop-up message box that appears on the screen.

This function can be used to declare, define, and execute a function. If you want to execute the JavaScript function alert(), just write the function name inside the code block. JavaScript can be executed in an HTML file by using the