Home  >  Article  >  Web Front-end  >  How to use tolowercase in js

How to use tolowercase in js

下次还敢
下次还敢Original
2024-05-09 00:48:16466browse

The toLowerCase() method in JavaScript converts all characters in the string to lowercase and returns a new converted string. The original string is not affected: Usage: string.toLowerCase() Return value: Conversion After the new string, all characters are lowercase. Note: The original string will not be modified, only a new converted string will be returned.

How to use tolowercase in js

JavaScript Usage of toLowerCase()

The toLowerCase() method is a built-in string method in JavaScript, used to convert all characters in the string to lowercase.

Usage:

string.toLowerCase()

Returns:

The toLowerCase() method returns a new string containing the original All characters in the string are converted to lowercase. The original string itself is not modified.

Example:

const str = "HELLO WORLD";
const lowerCaseStr = str.toLowerCase();

console.log(lowerCaseStr); // 输出: "hello world"

Note:

  • toLowerCase() method does not modify the original string, Just return a new converted string.
  • The toLowerCase() method works for any string type.
  • If the string is empty, the toLowerCase() method will return an empty string.
  • For Unicode characters, the toLowerCase() method will convert according to the Unicode standard.

The above is the detailed content of How to use tolowercase in js. For more information, please follow other related articles on the PHP Chinese website!

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article:operator precedence in jsNext article:operator precedence in js