JavaScript micro-signal random switching code implementation code

Regarding how to implement random switching of WeChat ID in js, this article mainly shares with you the code implementation code of JavaScript WeChat ID random switching, which is divided into js and html parts. I hope it can help everyone.

js code:

arr_wx =new Array("aaaa","bbbb","cccc"); 
  var wx_index = Math.floor((Math.random() * arr_wx.length)); 
  var stxlwx = arr_wx[wx_index]; 
  var img = "<?php echo $pctem[&#39;pathurl&#39;] ?>"+arr_wx[wx_index]+".jpg"

html code:

<script>document.write(stxlwx)</script>

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