Tuesday 30 January 2024

What is the purpose of the base element in HTML.? 030

 What is the purpose of the <base> element in HTML.?

The <base> element in HTML serves two main purposes:

1. Setting the Base URL:

  • It specifies the base URL that should be used to resolve relative URLs within the document.

  • This is particularly useful when you have links or resources with relative paths that might differ depending on where the document is hosted or served.

  • By setting the base URL, you ensure consistency and avoid broken links due to different server locations.



<base href="">

With this base element, any relative URL like images/banner.jpg will be resolved as

2. Setting the Default Target for Links:

  • It can also specify the default browsing context for hyperlinks and forms within the document.

  • This determines where the linked content or submitted form data will be opened within the browser.

  • You can use keywords like _self (default within the current window), _blank (new window), or _parent (parent window) for different behaviors.



<base target="_blank">

With this base element, all links in the document will open in a new window by default.

Important Points:

  • Only one <base> element can be present in a document, and it must be placed within the <head> section.

  • It's best practice to use absolute URLs for external links and only rely on the base element for internal relative URLs within your website.

  • Overusing the base element with different target keywords can be confusing for users, so use it judiciously.

By effectively using the <base> element, you can manage relative URLs, target content opening behavior, and create a more consistent and user-friendly experience across your web pages.

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