How to convert string to lowercase in javascript

In JavaScript, you can use the toLowerCase method to convert a string to lowercase. The syntax is "stringObject.toLowerCase()". This method can be used to convert a string to lowercase.

The operating environment of this article: windows7 system, javascript version 1.8.5, DELL G3 computer

How does javascript convert a string to lowercase?

toLowerCase() method;

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

Syntax:

var str = "String"; str .toLowerCase();// string

toLowerCase() method is used to convert strings to lowercase.

toLowerCase() method introduction:

stringObject.toLowerCase()

Return value

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

Example

In this example, "Hello world!" will be displayed in lowercase letters:

Recommended study: "javascript Advanced Tutorial》

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