How to realize the function of sending mailbox CAPTCHA by nodejs

This article mainly explains the "nodejs how to send mailbox CAPTCHA function", the content of the article is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "nodejs how to send mailbox CAPTCHA function" bar!

1. Usage module: nodemailer

Installation: npm install nodemailer-- save

2, first of all, to write about the front desk registration interface, do not say, first above the picture. (if you don't want to see this paragraph, skip to the end to see the implementation of the mailbox verification code.)

Then achieve the following effect (see the picture first), that is, when you click send CAPTCHA, there is a countdown of one minute and then try again.

Let's start with the code first.

(1) form form

Username Password Email