Use JavaScript to implement the pop-up layer effect.

Use JavaScript to implement the pop-up layer effect.

Statement

Reading this article requires some basics of HTML, CSS, and JavaScript.

Design

The idea of implementing the pop-up layer effect is very simple: Hide the content to be displayed first. After a certain condition is triggered (such as clicking a button), display the Originally hidden content.

Implementation

 

<! DOCTYPE html> 
 
The display effect is as follows:

However, we can note that after the hidden content pops up, we can still access the Baidu page through the link. To prevent this situation, we can provide a mask layer to cover all the original page content. The Code is as follows:
<! DOCTYPE html> 
This is the result of another test, such:
Summary
The above content is just a simple implementation of the pop-up layer effect, but by adding more code, you can also implement more complex functions on this basis.