iframe replaced by what

iframe is replaced by HTML5. With the emergence of HTML5, a new generation of tags has gradually replaced iframes in Web development. They have better performance, accessibility, and controllability, allowing developers to better embed external resources and content. In future Web development, new tags such as , , and can be used more frequently to provide users with a better browsing experience.

The operating environment of this tutorial: Windows 10 system, Dell G3 computer.

In web development, iframe (inline frame) is a commonly used HTML element used to embed other web pages or content in a web page. However, with the development of technology and the emergence of the HTML5 standard, iframes are gradually replaced by a new generation of tags. This article will explore the new tags that replace iframe in HTML5, and analyze its advantages and application scenarios.

1. The emergence of HTML5

HTML5 is the fifth version of HTML and a standard for describing and organizing web content. It introduces many new features and elements, making web development more flexible and powerful. The emergence of HTML5 marks an innovation in Web technology and provides a new solution to replace iframes.

2. New generation tag

1. tag

tag is a new element in HTML5, used to embed external resources, such as Images, videos, audios, etc. Compared with iframe, tag has better accessibility and controllability. It can specify the type of embedded resources by specifying the type attribute, and can also set attributes such as width, height, and autoplay.

2. tag

The tag is also a new element in HTML5, used to embed external content, such as plug-ins, applications, etc. Compared with , the tag is more lightweight and flexible. It can embed external content directly without creating a separate document. In addition, the tag also supports custom attributes and events, allowing developers to better control the behavior of embedded content.

3. tag

The tag is an important element in HTML5 and is used to draw graphics and animations. It can dynamically draw images, text, graphics, etc. through JavaScript. Compared to using to embed images or animations, the tag has better performance and interactivity. It can update content in real time through JavaScript code without reloading the entire page.

3. Advantages and application scenarios

1. Better performance

Compared with iframe, the new generation tag has obvious advantages in performance. Since they are more lightweight and flexible, they can reduce page load time and resource consumption. Especially the tag, which can draw images in real time through JavaScript code, avoiding the overhead of reloading the entire page.

2. Better accessibility

The new generation of tags has also improved accessibility. They can specify the type of embedded resource by specifying the type attribute, allowing screen readers and other assistive technologies to better understand and process the embedded content.

3. Better controllability

The new generation of tags provides more attributes and events, allowing developers to better control the behavior of embedded content. For example, the tag can set attributes such as width, height, and autoplay, the tag can customize attributes and events, and the tag can update content in real time through JavaScript code.

In practical applications, the new generation of tags can be widely used to embed external resources, plug-ins, applications, etc. For example, you can use the tag to embed video or audio, the tag to embed Flash animations, and the tag to draw graphics and animations.

Conclusion:

With the emergence of HTML5, a new generation of tags has gradually replaced iframe in Web development. They offer better performance, accessibility, and control, allowing developers to better embed external resources and content. In future Web development, we can make more use of new tags such as , and to provide users with a better browsing experience.