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JavaScript-Detailed explanation of the timer 0~9 lottery system (code)

JavaScript-Detailed explanation of the timer 0~9 lottery system (code)

Updated: August 16, 2017 09:53:57 Author: bright0325
This article mainly introduces the JavaScript-timer 0~9 lottery system, and uses code examples to illustrate the overall operation of function calls. For specific steps, you can view the detailed explanation below. Interested friends can refer to it.

The specific code is as follows:

<html> 
 <head> 
  <title>Timer0~9Lottery system</title> 
  <meta charset="UTF-8" /> 
  <script type="text/javascript" src="/jquery/3.2.1/"></script> 
  <script type="text/javascript"> 
   $(function(){ 
    $("#start").click(function(){ 
     fn(); 
     timer = setInterval('fn()',200);//Fill in the DIV    }); 
    $("#stop").click(function(){ 
     clearInterval(timer);//Clear the timer    }); 
   }); 
   var i=0; 
   function fn(){ 
    $("#box").html(i); 
    i++; 
    if(i==10){ 
     i=0; 
    } 
   } 
  </script> 
 </head> 
 <body> 
  <div> 
   <button  type="button">start</button> 
   <button  type="button">stop</button> 
  </div> 
  <br /> 
  <div  style="width:200px;height:100px;border:1px solid;line-height:100px;font-size:80px;text-align:center;"></div> 
 </body> 
</html>

The above is the entire content of this article. I hope the content of this article will be of some help to everyone’s study or work. If you have any questions, you can leave a message to communicate. Thank you for your support!

  • js
  • Timer
  • lottery

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