Specific implementation of delayed loading dynamic effects in for sequence in JS_Basic knowledge

Copy code The code is as follows:

Look at the HTML code again

Copy the code The code is as follows:

                                                                             zhong1" class="zhong" style="height:66px;">

 

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;

;

 

 

 

 

  < ;div class="tou">

          

 

   

 
 

The effect achieved is like this. I don’t know if you can understand what I mean. In fact, the height of the cylinder is set first, and then it is dynamically raised from 0 using JS. It is best to reach the set height