JS implements SMS verification code

To implement the SMS verification code interface, you must first have a text box with a button next to it. When clicked, the countdown starts. Next, through this article, I will share with you the js implementation of a simple SMS verification code interface. Friends who are interested can refer to it

1. To implement the SMS verification code interface, first there must be a text box with a button next to it. When clicked, Start countdown.

2. First create a text box and button, set the corresponding id for the button, and then obtain the button element through the id in js and perform operations on it. At the same time, the countdown time and timer variables should be set so that after clicking the send button, it is impossible to continue clicking the button to resend before the countdown ends.

3. After the countdown is over, clear the timer and change the text to "Resend Verification Code" to restore the ability to operate the button. At the same time, restart the countdown from 5 seconds so that you can click it again. Countdown.

   
  发送验证码  

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