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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.
Kurs Javascript - Funkcja strzałkowa. Funkcja strzałkowa to skrócony zapis wyrażenia funkcyjnego: const myFn = function() { } [3,1,2].sort(function(a, b) { }) //to samo co powyżej mogę zapisać za pomocą skróconego zapisu: const myFn = () => { } [3,1,2].sort((a, b) => { })
27 cze 2017 · str.toLowerCase() Return value. A new string representing the calling string converted to lower case. 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'
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.
Syntaxe. js. str.toLowerCase(); Valeur de retour. Une nouvelle chaîne de caractères qui est obtenue en passant la chaîne appelante en minuscules. Description. La méthode toLowerCase() renvoie la valeur de la chaîne convertie en minuscules. toLowerCase() ne modifie pas la valeur de la chaîne courante. Exemples. js.
