JavaScript Number Pattern 25

Posted in JavaScript Tutorial

Updated on Jan 10, 2024

By Mari Selvan

👁️ 222 - Views

⏳ 4 mins

💬 1 Comment

Photo Credit to CodeToFun

JavaScript Number Pattern 25

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

example.html

Copied

<!DOCTYPE html>
<html>
<body>

<script>
var i, j;
for(i=1; i<=5; i++)
{
 for(j=i; j<=5; j++)
 {
  if(i < 4)
   document.write(i);
  else
   document.write(6 - i);
 }
 document.write("<br>");
}
</script>
</body>
</html>

💻 Testing the Program

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

Output

🧠 How the Program Works

Let's break down the logic behind the code:

var i, j; - Declare two variables i and j to be used as loop counters.
for(i=1; i<=5; i++) - The outer loop runs from i = 1 to i = 5 with an increment of 1. This loop controls the number of rows in the pattern.
{ - Begin the body of the outer loop.
for(j=i; j<=5; j++) - The inner loop runs from j = i to j = 5 with an increment of 1. This loop controls the number of columns in each row and ensures that the numbers are printed in the correct order.
{ - Begin the body of the inner loop.
if(i < 4) - Check if the value of i is less than 4.
document.write(i); - If the condition is true, print the value of i using document.write().
else - If the condition in step 6 is false, execute the code block following the else keyword.
document.write(6 - i); - Print the value 6 - i. This effectively prints the values 3, 2, and 1 when i is 4 or 5, as 6 - 4 = 2 and 6 - 5 = 1.
} - End the body of the inner loop.
document.write("<br>"); - After each row of numbers is printed, add a line break (<br>) to start a new line.
} - End the body of the outer loop.

💯 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 number 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!