JS makes left and right list panning function

This time I will bring you the function of panning the left and right lists with JS. What are the precautions for panning the left and right lists with JS? The following is a practical case, let's take a look.

Implementation functions:

1. The content of the left drop-down box is added to the right drop-down box, multi-select movement is supported, and the right drop-down box object is removed at the same time ;

2. Supports moving the upper and lower positions of items in the list;

3. The rendering is as follows:

Html code

 
 
 
 
 

 
 
选定一项或多项然后点击添加或移除(按住shift或ctrl可以多选)，或在选择项上双击进行添加和移除。
 
 
 
 
 
 
 
 
 
 
 
北京 
上海 
山东 
安徽 
重庆 
福建 
甘肃 
广东 
广西 
贵州 
海南 
河北 
黑龙江 
 
 

 

 
 
 
 
 
 
上移 

 
下移 
 
值： 
 
 
 

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

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