Js navigation bar with simple elastic movement

This article mainly shares the sample code of js to implement a navigation bar with simple elastic movement, which has good reference value. Let's take a look at the code of the elastic menu with the video at night, write down

The effect is as follows:

The Code is as follows:

 
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Script window. onload = function () {var oMark = document. querySelector ('. mark '); var oBox = document. querySelectorAll ('. box '); var childUl = oMark. querySelector ('ul '); var timer = null; var timer2 = null; // latency timer. Eyes of 100 milliseconds are imperceptible var iSpeed = 0; for (var I = 0; I
 

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