We can check if the first of a letter a string is upper case in a few ways. Let's take a look at some popular ones. toUpperCase() This is a built-in string method that returns the invoked string with only upper case characters: function startsWithCapital(word){ return word.charAt(0...
JavaScript provides several built-in methods for manipulating strings, including one called toUpperCase() which can be used to convert the first letter of a string to uppercase.
Let's say I want to make the h in the above string to uppercase. I could do that by selecting the first letter of the string, converting it to uppercase, and concatenating the capitalized letter with the rest of the string. const capitalizedMessage = message.charAt(0).toUpperCase() + ...
function capitalizeFirstLetter(string) { return string.charAt(0).toUpperCase() + string.slice(1); } 其他一些答案修改了String.prototype(这个答案同样适用),但由于可维护性(现在很难找到函数被添加到prototype并且如果其他代码使用相同的方法可能会导致冲突),我会提出反对意见名称/浏览器将来会添加一个具有相同名...
Write a JavaScript function that accepts a string as a parameter and converts the first letter of each word into upper case. Example string: 'the quick brown fox' Expected Output: 'The Quick Brown Fox 'Visual Presentation:Sample Solution-1:...
To capitalize the first letter in a string is easy if you undertake some steps.First of all you should get the first letter of the string by setting the charAt() method at 0 index:Javascript charAt method1 2 let string = "w3docs.com"; console.log(string.charAt(0)); // Returns...
In an earlier article, we looked at different ways to capitalize the first letter of a string to uppercase in JavaScript. In this article, you'll learn how to uppercase or lowercase a string using JavaScript. JavaScript provides two built-in functions for converting strings to uppercase and ...
let uppercase = sentence.toUpperCase(); console.log(uppercase); // JAVA IS TO JAVASCRIPT WHAT CAR IS TO CARPET. Run Code Output HELLO WORLD! JAVA IS TO JAVASCRIPT WHAT CAR IS TO CARPET. Also Read: JavaScript String toLowerCase() JavaScript Program to Convert the First Letter of a St...
There is a number of ways to capitalize the first letter of the string in JavaScript. For example: "this is an example"->"This is an example" "the Atlantic Ocean"->"The Atlantic Ocean" ThetoUpperCase()method transforms all letters in a string to uppercase; we will use it in com...
Learn how to capitalize the first letter in a word using JavaScript code snippets and techniques that ensure your text is properly formatted.