A brief analysis of the implementation methods and application scenarios of css hidden div blocks

The hidden function of CSS plays an important role in web design, especially in the process of achieving dynamic effects. In this process, hiding Div blocks is a method often used. This article will introduce you to the implementation method and application scenarios of CSS hidden Div block.

1. Implementation method of CSS hidden Div block

1. display attribute

The display attribute is an attribute used in CSS to set whether an element is displayed. In the process of hiding the Div block, you can set the value of this attribute to none. For example:

div{

display: none;

}

This way you can hide a Div block. The element still exists in the HTML code, but it will not be on the page. displayed on.

2. visibility attribute

The visibility attribute is also an attribute used in CSS to set whether an element is displayed. Unlike the display attribute, when the attribute is set to hidden, although The element is no longer displayed on the page, but the space it occupied still exists. Examples are as follows:

div{

visibility: hidden;

}

3. opacity attribute

The opacity attribute is an attribute that controls the transparency of an element, and its value The range is 0 to 1, with 0 representing completely transparent and 1 representing opaque. When this property is set to 0, the associated element will be completely transparent and cannot be seen. Examples are as follows:

div{

opacity: 0;

}

2. Application scenarios of CSS hidden Div blocks

1. Hide drop-down menu

In the process of web design, the drop-down menu is a component that often appears. If you want the drop-down menu to be invisible when the page is loaded, you can use CSS to hide the Div block.

2. Hide the pop-up box

The pop-up box is also a frequently used component in web pages. In order to make the user operation more friendly, you can first block the pop-up box Div when the page is loaded. Hide it and display it when the user performs related operations.

3. Hide table

In web design, tables are also a component that often appears. When the user needs to perform certain operations before displaying them, you can use CSS to hide them. Table Div block.

3. Summary

CSS hidden Div blocks can help us achieve dynamic effects on web pages and improve the beauty and user experience of the page. By setting any of the display attribute, visibility attribute and opacity attribute, the Div block can be hidden, and the appropriate attribute can be selected and set according to the specific application scenario and design requirements.

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