What is the usage of javascript focus

Usage of javascript focus: 1. Create an html file named focus; 2. Add style; 3. Add button and p tag; 4. Create a custom function myfocus; 5. Use the focus method Just focus on the a tag.

The operating environment of this article: Windows7 system, javascript version 1.8.5, DELL G3 computer

What is the usage of javascript focus?

How to use focus on DOM objects in JavaScript:

Create an html file named focus

Add a style, set the focus or activation style of a link to red

Add button and p tag, use the focus method after triggering the event

Create a custom function myfocus

Get the id object of a in the custom function. Use the focus method to focus the a tag

Open the file in the browser, and after clicking the button, the color of the a tag changes from blue to red

Recommended study: "javascript basic tutorial"

The above is the detailed content of What is the usage of javascript focus. For more information, please follow other related articles on the PHP Chinese website!