To convert a string to lowercase, we can use the built-in toLowerCase() method in JavaScript. reactgo.com recommended courseJavaScript - The Complete Guide 2023 (Beginner + Advanced) Here is an example that converts a string How ARE YOU to lowercase. const message = "How ARE YOU"; cons...
The toLowerCase() method in JavaScript converts all the uppercase characters in a string to lowercase characters and returns the result. The original string remains unchanged as this method returns a new string. Here's a simple example: let str = "Hello, World!"; let lowerCaseStr = str....
In JavaScript, toLowerCase() is a string method that is used to convert a string to lowercase. Because the toLowerCase() method is a method of the String object, it must be invoked through a particular instance of the String class. Syntax In JavaScript, the syntax for the toLowerCase()...
Javascript String转Lowercase用法及代码示例 将字符串转换为小写JavaScript, 你可以使用String toLowerCase()方法。这个方法的作用正如它听起来的那样——它将字符串中的所有字符转换为小写。 例子:这里,String toLowerCase()被应用到myString变量,结果存储在lowercaseString多变的。经过这次操作后,lowercaseString将包含字...
JavaScript String toLowerCase() Method const str = "TutorialsPoint"; document.write("String str = ", str); document.write("After converting a specific character '", str.charAt(9), "' into in lowercase: "); document.write(str.charAt(9).toLowerCase()); OutputThe above progra...
The toLowerCase() method is used to converts a string to lowercase.VersionImplemented in JavaScript 1.0 SyntaxtoLowerCase()ParameterNoneExample:In the following web document toLowerCase() method convert a given string to lowercase.<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"...
#TypeError: toLowerCase is not a function in JavaScript The "TypeError: toLowerCase is not a function" error occurs when we call thetoLowerCase()method on a value that is not a string. To solve the error, convert the value to a string or make sure to only call thetoLowerCasemethod ...
The toUpperCase() Method The toLocaleLowerCase() Method The toLocaleUpperCase() Method Syntax string.toLowerCase() Parameters NONE Return Value TypeDescription A stringThe string converted to lowercase. Related Pages JavaScript Strings JavaScript String Methods ...
in the string intact. We should remember that this method doesn’t modify the original string passed instead creates a new String object which contains the string in lower case. This method does not have any parameters. This method was introduced in the ECMAScript 1 version of javascript. ...
The function we passed to the Array.map() method gets called with each element in the array. The map() method returns a new array containing the values returned from the callback function. We used the String.toUpperCase() method to convert each string in the array to uppercase. ...