Let's talk about HTML invisible elements and their applications

When we use HTML to create web pages, many times the tags we use are used for display or layout. However, there are some elements that are invisible and will not be displayed directly on our web pages, but they have very practical functions. These elements are called HTML invisible elements.

What are HTML invisible elements?

HTML invisible elements, simply put, are elements used to add other functions to web pages, but will not be displayed directly on the web page. These elements will not be displayed in the browser like div or span visible elements. But they can be accessed and modified through browser DOM manipulation.

Commonly used HTML invisible elements

1. Comment tag ()

Like most programming languages, There will also be annotation functionality in HTML. Using comment tags can make the code more intuitive and easier to understand. The syntax of comment tags is very simple. Just add "" below the code.

2. Text area label (textarea)

The text area label can be used to create a multi-line text input box, and the user can enter several lines of text in the input box. In HTML, text area tags start with the tag and end with the tag. Text input content will be encapsulated between and .

3. Hyperlink tag (a tag)

Hyperlink tag is a link in a webpage that jumps to other pages or sites. Although it appears as text or pictures in the webpage, But it's not actually any kind of object. In HTML, hyperlink tags are marked with , and the href attribute in the a tag defines the target link for the hyperlink jump.

4. Separation line tag (hr)

The separation line tag is used to create a horizontal dividing line in the page, and is often used to separate different content blocks. In HTML, the hr tag only needs to be written as a self-closing tag.

5. Unordered list (ul) and ordered list (ol) tags

Unordered list refers to a list with no fixed order, while ordered list is A list arranged by serial number. In HTML, unordered lists start with the

tag and end with the

tag, while ordered lists start with the

tag and end with the

tag. List items are defined using the

tag.

6. Hidden field label (input type="hidden")

Hidden field label is an element commonly used for form data transmission, mainly used to record some information on the front end Data that does not need to be displayed on the page but needs to be submitted to the background. Unlike text boxes, the value of a hidden field is not displayed on the page.

7. Meta tag

The Meta element is a tag used to provide more page metadata to browsers and search engines. It is usually not displayed on the page and is mainly used for search engine optimization. You can set the keywords, description, character set, viewport, etc. of the page.

Application of HTML invisible elements

By learning the application of HTML invisible elements, we can better master the skills of web page production.

1. Comment tags

Comment tags can provide guidance for our future code writing, and can also greatly improve the readability of the code.

2. Hyperlink tag

In a web page, the hyperlink tag is a very important element. Through hyperlink tags, we can realize content jumps or external links to enrich website content.

3. Separating line tag

The dividing line tag can provide a better separation point for the readability of web content, making it easier for readers to read and understand better.

4. List tag

In web page production, list tags are very common, which can better organize and display content. List tags can also help the page structure be presented more clearly.

5. Hidden field tags

During form transmission, hidden field tags can record some special data to help developers better understand user behavior.

6. Meta tag

Meta tag can provide search engine optimization for the page, making the page appear better on the search engine display page.

Conclusion

Basic learning of HTML invisible elements can help us better master the methods and techniques of web page production, making our web pages more outstanding and practical.

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