How to achieve zero reduction in the first digit after time formatting in JavaScript

This article is to share with you about how JavaScript implements zero reduction in the first digit after time formatting. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

After the time is formatted, the first digit is processed with zero less.

There are many ways to deal with it, but the following method is relatively simple and effective, record it!

Function paddingLeftZero (str) {return ("00" + str) .substr (str.length);} Thank you for reading! This is the end of this article on "how to achieve less zero processing in front of JavaScript after time formatting". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, you can share it out for more people to see!