js simple probability calculation

This article mainly introduces js probability calculation (simple version). Friends who need it can refer to the

core code:

//7：3运算
if(Math.ceil(Math.random()*10)>3){
  //占比=7
  alert('7');
  window.location.href="http://www.baidu.com" rel="external nofollow" ;
}else{
  //占比=3
  alert(3);
  widnow.location.href="http://www.php.cn";
}

By random Use the size of the number to determine which URL is best to visit. You can modify it according to your own needs.

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