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How to restore button click functionality using JS countdown

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Release： 2018-06-02 15:59:03
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This time I will show you how to use the JS countdown recovery button click function, and what are the precautions for using the JS countdown recovery button click function. The following is a practical case, let's take a look.

After the countdown time is up, click the restore button, which is often used to read the agreement: 

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>阅读协议倒计时</title>
    <script>
      var tim=9;
      function aaa(){
        var btnn=document.getElementById("btn");
        if(tim<=0)
        {
          btnn.value="注册";
          btnn.disabled="";
        }
        else
        {
          btnn.value="请仔细阅读，还剩"  +tim+"秒";
          tim--;
        }
      }
      setInterval("aaa()",1000);
    </script>
  </head>
  <body>
    <textarea style="width: 500px;height: 300px;">
    </textarea>
    <input type="button" id="btn" value="请仔细阅读，还剩10秒" disabled="disabled" />
  </body>
</html>
Copy after login

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the PHP Chinese website!

Recommended reading:

How to use Vue to implement a countdown button

How to use Vue to write a two-way data binding

The above is the detailed content of How to restore button click functionality using JS countdown. For more information, please follow other related articles on the PHP Chinese website!

Related labels：
javascript use Countdown
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