String.prototype.toLowerCase () - JavaScript | MDN
Jul 10, 2025 · The toLowerCase() method of String values returns this string converted to lower case.
JavaScript String toLowerCase () Method - W3Schools
Description The toLowerCase() method converts a string to lowercase letters. The toLowerCase() method does not change the original string.
TypeScript String toLowerCase () Method - GeeksforGeeks
Jul 15, 2024 · The toLowerCase () method in TypeScript is a built-in function used to convert all characters within a string to lowercase. This method is essential when normalizing strings for …
JavaScript toLowerCase - Tutorial Gateway
JavaScript toLowerCase method converts the given string into a Lowercase letters. This article shows how to write the JavaScript toLowerCase.
String.prototype.toLowerCase () - JavaScript | webdocs.dev
Feb 20, 2023 · The toLowerCase () method returns the calling string value converted to lower case.
JavaScript toLowerCase () Method
You'll learn how to use the JavaScript toLowerCase () method to return a string with all the characters converted to lowercase.
Java String toLowerCase () Method - W3Schools
Definition and Usage The toLowerCase() method converts a string to lower case letters. Note: The toUpperCase () method converts a string to upper case letters.
String.prototype.toLocaleLowerCase () - JavaScript | MDN
Sep 24, 2025 · The toLocaleLowerCase() method returns the value of the string converted to lower case according to any locale-specific case mappings. toLocaleLowerCase() does not …
TypeError: toLowerCase is not a function in JavaScript
Mar 3, 2024 · The "TypeError: toLowerCase is not a function" error occurs when we call the toLowerCase() method on a value that is not a string. To solve the error, convert the value to a …
JavaScript String toLowerCase () Method - GeeksforGeeks
Sep 6, 2024 · The JavaScript toLowerCase () method converts all characters in a string to lowercase, returning a new string without modifying the original. It's commonly used for case …