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.
In this article, we'll learn to build a functionality that could capitalize only the first character of the string. Let's consider an example: const message = 'hello world!'; Let's say I want to make the h in the above string to uppercase. I could do that by selecting the first...
How do I make the first letter of a string uppercase, but not change the case of any of the other letters? For example: "this is a test"->"This is a test" "the Eiffel Tower"->"The Eiffel Tower" "/index.html"->"/index.html" function capitalizeFirstLetter(string) { return string...
In JavaScript, you can make all strings in an array of strings uppercase by calling the String.prototype.toUpperCase() method on every element of the array using Array.prototype.map(), for example, like so: /
In JavaScript, you can use the Array.map() method to iterate over all elements and then use the string methods to change the case of the elements.Here is an example that demonstrates how to use the String.toUpperCase() method along with Array.map() to uppercase all elements in an array...
In JavaScript string or character is to be converted into uppercase using str.toUpperCase() method this is used for converting entire strings into the Upper case format. Whenever we used toUpperCase() method the return value is to be string format and has converted into the uppercase the val...
concat():It is used to join two different strings replace():It is used to replace the content of the string toUpperCase():It is used to convert a string into uppercase. There are other methods available in JavaScript to manipulate string data but there is no built-in function available t...
In JavaScript, there is no built-in function to check if every character in a given string is in uppercase format or not. So, we have to implement our function. Here, we will create a function calledisUpperCase(), an anonymous arrow function, to tell us whether all the characters in a...
The toUpperCase() method transforms all letters in a string to uppercase; we will use it in combination with other JavaScript functions to reach our desired goal.The slice(start,end) method extracts a section of a string and returns it as a new string....
https://www.freecodecamp.org/news/javascript-capitalize-first-letter-of-word/ Activity sidemtadded japanese on Mar 23, 2024 sidemtchanged the title JavaScript Capitalize First Letter – How to Uppercase the First Letter in a Word with JS [ja] JavaScript Capitalize First Letter – How to Up...