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Specific implementation of the left and right movement effect of JS drop-down box content_javascript skills

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WBOYOriginal
2016-05-16 17:29:221109browse
Copy code The code is as follows:



< ;TITLE>Select drop-down menu




Select one or more items and click Add or Remove (press and hold Shift or ctrl can select multiple items), or double-click on the selection to add and remove.

























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