Countdown function to send verification code when registering via mobile phone

In many cases, no matter what you register, there will be a verification code, and there is also a countdown function. The editor of this article will share with you a simple example of a countdown for sending a verification code during mobile phone registration. It has a very good reference value. Let’s follow the editor to take a look. I hope it can help others.

is as follows:

()这里用的是input做的点击发送验证码  

Have you learned it? The ideas are the same and I hope it can help everyone.

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