How to Write JavaScript With HTML?

How to Write JavaScript With HTML?

JavaScript is the most popular scripting language in the web to improve the design, validate forms, detect browsers, create cookies and many more client side functionalities and works in all major browsers, such as Internet Explorer, Mozilla Firefox, Google Chrome, Netscape, Opera and many more.

It is a lightweight programming language consisting of lines of executable computer code and usually embedded directly into HTML pages.

To write JavaScript with HTML page, you have to use the tells where the javascript starts and end.


Different Ways to Write JavaScript with HTML


There are different ways to write JavaScript with HTML, which are as follows.

Scripts in the HEAD Section

When scripts are placed in head section, they needs to be executed when they are called, or when an event is triggered and it will ensure that the script is loaded before anyone uses it.

You can write





Scripts in the BODY section

As in the head section, you can also place JavaScript codes in the body section using



Scripts in both the HEAD and BODY section

You can write






Scripts Using an External JavaScript File

If you needs to write same JavaScript code on several pages, you can write it on separate external page with a .js file extension and can link it to the HTML file.

You can link external JavaScript file to HTML file as follows.








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