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JavaScript String toLowerCase () Method. Previous JavaScript String Reference Next . Example. Convert to lowercase: let text = "Hello World!"; let result = text.toLowerCase(); Try it Yourself » Description. The toLowerCase() method converts a string to lowercase letters. The toLowerCase() method does not change the original string. See Also:
12 wrz 2023 · The toLowerCase() method returns the value of the string converted to lower case. toLowerCase() does not affect the value of the string str itself.
8 gru 2022 · 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. So, you can do something like: "Foo".toLowerCase (); document.getElementById ('myField').value.toLowerCase (); edited Dec 8, 2022 at 21:58.
27 cze 2017 · Description. The toLowerCase() method returns the value of the string converted to lower case. toLowerCase() does not affect the value of the string str itself. Examples. Using toLowerCase() console.log('ALPHABET'.toLowerCase()); // 'alphabet' Specifications. Browser compatibility. Desktop. Mobile. See also. String.prototype.toLocaleLowerCase()
Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine.
Luckily, Node.js has the built-in String.toLowerCase() method, which converts a string to all lowercase letters in Node.js. It doesn't change anything else about the original string and doesn't take any parameters.
strtolower (string $string): string. Returns string with all ASCII alphabetic characters converted to lowercase. Bytes in the range "A" (0x41) to "Z" (0x5a) will be converted to the corresponding lowercase letter by adding 32 to each byte value.
