Jquery with drop-down menu and focus chart code sharing _ jquery

This article mainly introduces jquery's code with a drop-down menu and a focus chart. We recommend it to you. If you need it, you can refer to it. Jquery's drop-down menu and focus chart are a top navigation bar with a secondary drop-down menu and banner navigation menu code. If you are interested, come and study.
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The following figure shows the jquery drop-down menu and focus.

 Jquery with drop-down menu and focus diagram
 
 
 
 
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