c How to use javascript

JavaScript is a commonly used programming language used to add dynamic content and interactivity to web pages. Along with HTML and CSS, it forms the basic building block of modern websites. If you want to add dynamic elements to your website, JavaScript is indispensable. In this article, we will introduce how to use JavaScript.

1. Embed JavaScript

There are two ways to embed JavaScript code in HTML. First, you can place script tags in your HTML between theor. This means that the code will be executed once when the page loads. For example:

    
  Click me!  

The above code defines a function named displayMessage(), which will display a simple warning box. The function will be called when the user clicks the button.

The second method is to create a JavaScript file outside of the HTML document. This makes the code more organized and easier to manage. To use an external script, set the src attribute in the