JavaScript Alphabet Pattern 6

Posted in JavaScript Tutorial

Updated on Jan 10, 2024

By Mari Selvan

👁️ 88 - Views

⏳ 4 mins

💬 1 Comment

Photo Credit to CodeToFun

JavaScript Alphabet Pattern 6

Here`s a program that prints the above alphabet pattern using JavaScript Programming:

example.html

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<!DOCTYPE html>
<html>
<body>

<script>
var i, j;
for(i=65; i<=69; i++)
{
 for(j=i; j<=69; j++)
  document.write(String.fromCharCode(j));
 document.write("<br>");
}
</script>
</body>
</html>

💻 Testing the Program

When you run the above program, it will print the following output:

Output

ABCDE
BCDE
CDE
DE
E

🧠 How the Program Works

Let's break down the logic behind the code:

var i, j;: Declares two variables, i and j, which will be used as loop counters.
for(i=69; i>=65; i--): This is the outer loop that iterates from i = 69 (ASCII code for 'E') down to i = 65 (ASCII code for 'A'). This loop controls the number of rows in the pattern.
- In the first iteration, i = 69 ('E').
- In the last iteration, i = 65 ('A').
Inside the outer loop, there is a nested loop:
- for(j=65; j<=i; j++): This inner loop iterates from j = 65 (ASCII code for 'A') up to the current value of i. This loop controls the number of characters in each row of the pattern.
document.write(String.fromCharCode(j));: This line is responsible for printing characters to the document. It uses the String.fromCharCode() function to convert the ASCII code j to a character and then writes that character to the document.
document.write("<br>");: After printing the characters for each row, this line writes an HTML line break (<br>) to move to the next line in the document, creating the pattern effect.

💯 Tips for Enhancement:

Explore the versatility of this pattern by adjusting its parameters. Whether you increase or decrease the size, tweak the spacing, or modify the characters used, each change opens up a world of possibilities, allowing you to customize and create your unique visual effects.

✔ Conclusion:

Creating visually appealing patterns is not only a fun endeavour but also a great way to enhance your programming or design skills. We hope this tutorial has inspired you to explore the world of creative coding. Share your creations with us, and let your imagination run wild!

🤗 Closing Call-to-Action:

We'd love to see your unique interpretations of the alphabet pattern. Share your creations in the comments below, and don't hesitate to reach out if you have any questions or suggestions for future tutorials. Happy coding!