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.
Example:
HTML
<base href="https://www.example.com/assets/">
With this base element, any relative URL like images/banner.jpg will be resolved as https://www.example.com/assets/images/banner.jpg.
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.
Example:
HTML
<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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