The value of the type attribute is set to text/javascript, as shown below. The required attribute is the type attribute, while the optional attribute is src (which lets you point to an external script file, covered later in this answer). The opening tag has one required attribute and one optional attribute. To separate JavaScript code from HTML code, you need to enclose it within a set of tags. Or, you may see it in the tags (or even in both places). When you see JavaScript code on the Web, you will sometimes see some JavaScript code between the tags. For example, a basic HTML5 file might look something like what is shown below. A basic HTML file has a docType and some basic HTML tags, such as, and. To add JavaScript code to an HTML file, create or open an HTML file with your text/HTML editor. Once you have the software in place, you can begin writing JavaScript code. To write a JavaScript, you need a web browser and either a text editor or an HTML editor.
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