Questions
5 of 12
1How can we embed audio in HTML?
2How can we embed video in HTML?
3What tags are used to embed videos and audios?
4What is the controls attribute?
5What is the <source> tag used for?
6How do you make media fallback for unsupported browsers?
7<iframe>, <embed>, <object>?
8Responsive images: srcset, picture?
9What is an <iframe> used for?
10What are the security concerns with <iframe>?
11Difference between <iframe> and <embed>?
12What does the sandbox attribute do?
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What is the <source> tag used for?

Understanding the <source> Tag

The <source> tag in HTML is used inside <audio> and <video> elements to specify multiple media files. This helps provide different formats so that the browser can choose the one it supports.

Key Points about <source>
  1. 1

    It is always used inside <audio> or <video> elements.

  2. 2

    Allows you to provide multiple file formats (e.g., MP4, WebM, Ogg for videos; MP3, OGG, WAV for audio).

  3. 3

    Browsers will pick the first format they support and ignore the rest.

  4. 4

    It uses the src attribute to specify the file and the type attribute to indicate the media type (like video/mp4 or audio/mpeg).

Example Usage

In short: The <source> tag is used to provide different versions of the same media file, ensuring better browser compatibility.