Description The toLowerCase() method converts a string to lowercase letters. The toLowerCase() method does not change the original string.

Jul 10, 2025 · The toLowerCase () method of String values returns this string converted to lower case.

You'll learn how to use the JavaScript toLowerCase () method to return a string with all the characters converted to lowercase.

Jul 23, 2025 · In JavaScript, converting a string to lowercase means transforming all the characters in the string to their lowercase equivalents. This operation is often used to ensure consistent …

Yes, any string in JavaScript has a toLowerCase() method that will return a new string that is the old string in all lowercase. The old string will remain unchanged.

Sep 16, 2021 · Strings in JavaScript are immutable. The toLowerCase() method converts the string specified into a new one that consists of only lowercase letters and returns that value.

JavaScript provides two handy methods for converting strings to lowercase: toLowerCase() and toLocaleLowerCase(). These methods make converting strings to lowercase easy to do.

Jun 26, 2025 · Convert text to lowercase in JavaScript reliably, handling locale, arrays, performance, and common pitfalls with toLowerCase () and Intl methods.

3 days ago · JavaScript String toLowerCase () Method: Practical Normalization, Edge Cases, and Production Patterns Leave a Comment / By Linux Code / February 3, 2026

Feb 6, 2025 · A comprehensive guide to the JavaScript String toLowerCase () method, covering syntax, usage, and practical examples for converting strings to lowercase.