Js toLowerCase method usage example _ basic knowledge

This article mainly introduces the use of the toLowerCase method in js, and analyzes how to use the toLowerCase method to convert lowercase letters. If you need it, refer to the example in this article to describe the use of the toLowerCase method in js. Share it with you for your reference. The specific analysis is as follows:

Definition and usage:

The toLowerCase () method is used to convert a string to lowercase.

Syntax:

StringObject. toLowerCase ()

Return Value:

A new string in which all uppercase characters of stringObject are converted to lowercase characters.

Instance:

In this example, "Hello world! Jb51.Net "is displayed in lowercase letters:

The Code is as follows: