Summary of the latest 8 implementations of drop-down menu functions

In computer applications, drop-down menus are a form of menu. The specific performance is as follows: when the user selects an option, the menu will extend downwards to another menu with other options. Drop-down menus are usually used to put some functions with the same category into the same drop-down menu, and place this drop-down menu under an option in the main menu. The items in the drop-down menu can be set to multi-select or single-select as needed, and can be used to replace a set of check boxes (set as multi-select) or radio button (set as single-select). This takes up less space than a checkbox group or a radio button group, but is less intuitive.

1. Three methods to implement simple drop-down menu function

##2.

CSS drop-down menu

Using CSS, you can create an effect that displays a drop-down menu after the mouse is moved in.

Implementation of drop-down menu, when the mouse moves into the specified element, the drop-down menu is displayed.

3. Various drop-down menu implementation tutorials

This course goes from easy to difficult, step by step, from static web page layout to application HTML/CSS,

JavaScript, jQuery use different technologies to implement dynamic drop-down menus, allowing you to master the production of drop-down menus and code debugging between different browsers to solve the problem Browser compatibility issues.

4.

Introduction to the simple method of making CSS drop-down menu

##5.

Simple CSS3 drop-down menu with underline follow effect Special Effect

This is a drop-down menu special effect with underline following effect made using pure CSS3. The drop-down menu uses CSS3 transform and transition to create underline follow effects and drop-down menu effects.

6.

Summary of using JavaScript to implement the drop-down menu function

In Web development, the drop-down menu is displayed by several It consists of the main menu bar at the top of the window and the submenus below each menu bar. Each submenu often also contains several submenu items. Normally, only the menu bar is displayed in the window, and when the mouse pointer points to the menu bar, the menu bar's submenus are displayed. When the mouse pointer leaves the menu, the submenu is hidden and returns to the

state

where only the main menu bar is displayed. Based on this feature of the drop-down menu, we can use JavaScript to easily implement these functions. This article will specifically explain the use of JavaScript technology to implement the function of drop-down menus. 7.

Example of method to implement WeChat applet drop-down menu (with animation)

Add filter items in pick-header , add the filtered option content to the pick-container, and display the real content in the content.

The height of the content will be dynamically calculated in js based on the current mobile phone resolution. The height value is contentHeight, so a scroll-view can be nested in it. Setting the height to contentHeight can realize content sliding.

8.

Example code to implement ajax three-level linkage drop-down menu

This article introduces the example code to implement ajax three-level linkage drop-down menu

To write three-level linkage with ajax, write a file class first, and then call it directly when you use it later;

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Related questions and answers about the drop-down menu function

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