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...
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...
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....
This JavaScript tutorial explains how to use the string method called toLowerCase() with syntax and examples.Description 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 ...
#Check if the First Letter of a String is Uppercase in JavaScript To check if the first letter of a string is uppercase: Use theString.charAt()method to get the first letter of the string. Use theString.toUppercase()method to convert the letter to uppercase. ...
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. ...
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. ...
stringvar str="Welcome To Plus2net"; var a2 = str.toLowerCase(); document.write(a2);// welcome to plus2net Full code is Here var str="Welcome To Plus2net"; var a2 = str.toLowerCase(); document.write(a2); DEMOEnter text in Upper case or both <!-- function ...
JavaScript String toLowerCase Method - Learn how to use the toLowerCase() method in JavaScript to convert strings to lowercase effectively. Get examples and best practices.
A stringThe string converted to lowercase. Related Pages JavaScript Strings JavaScript String Methods JavaScript String Search Browser Support toLowerCase()is an ECMAScript1 (JavaScript 1997) feature. It is supported in all browsers: ChromeEdgeFirefoxSafariOperaIE ...