JavaScript Program to Count the Number of Capital Letters in a Sentence
Javascript Program to Count Number Sentence In this JavaScript tutorial, we will show you the best way to create a JavaScript Program to Count the Number of Capital Letters in a Sentence. You can find methods and ideas for counting capital letters in JavaScript. But because of this CodeSpeedy, we always provide the simplest and easiest method to get solution for every problem.
Many may be wondering Is there a way to count the number of uppercase letters in a string using Javascript? I can read each letter in the alphabet and compare it to each letter in concatenating javascript strings, but I think this would be too slow. Or, is there a regular expression that can tell if a string contains more than one uppercase letter? And yes, there is always more than one way to do things.
In this post, we will discuss a tutorial on making a JavaScript Program to Count the Number of Capital Letters in a Sentence. You can also read the previous post about How to make a calculator with HTML, CSS , JavaScript in Notepad. For that, see the following review to the end so that you can understand the javascript program to count the number of vowels.
So in this post, we will learn the following:
- How to count capital letters in JavaScript (Capital letters count)
- How to count lowercase in JavaScript (Count lowercase)
- JavaScript Program to Count the Number of Capital Letters in a Sentence
Counting Capital Letters in JavaScript
The below code will count the number of uppercase letters in JavaScript (Count of uppercase letters)
Here match() and regular expressions are used to count capital letters. We have created a button and set the count() function.
In the tag script, there is a count() function to retrieve the value entered in the input box above. We have stored the value in a JavaScript variable.
And this is the main line for calculating uppercase letters with the help of regular expressions.
Counting Lowercase in JavaScript
The below code will count the number of lowercase letters in JavaScript (Count of lowercase letters)
JavaScript Functions:
JavaScript Program to Count the Number of Capital Letters in a Sentence
As someone who wants to become a programmer, you have to practice more skills to solve a problem. Well, here we want to give a tutorial by creating a JavaScript Program to Count the Number of Capital Letters in Sentences.
I have a searchUpperCase function that accepts a string type argument with value SamuelPasaribu.
So, the output is:
The sentence "SamuelPasaribu" has 2 uppercase letters.In the above example, the resulting output is not displayed on the web page. Well, here your task is to make the program into a web page, like the example we will explain below.
Source Code Program Counting the Number of Capital Letters
There are 3 programming language codes that are used to create a JavaScript Program to Count the Number of JavaScript Capital Letters in a Sentence.
- HTML
- CSS
- JavaScript
1. HTML
2. CSS
3. JavaScript
Finished...
Display Results
Now try to run the program by opening the HTML file in the folder where you saved it. For the results you can see the display of the live demo below.
Conclusion
As developers or users, we can easily find out the number of letters of a word. For example: "Learning Program", there are 14 letter sentences: 2 capital letters, and 11 lowercase letters. Apart from that, you can also modify the above source code to develop it into a more useful and better program. For that you need skills in modifying the source codes that you have. By learning the coding system can make it easier for you to interact in building websites, applications, and various other purposes.
That's the post about JavaScript Program to Count the Number of Capital Letters in Sentences. Hopefully this article is useful and can help you. Let's share this article to help other friends. Thank You!
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Samuel
Hello i'm Junior Web Developer from Medan, North Sumatera, Indonesia. I like Design and UI/UX Design
