Day 13 – Print Downward Right-Aligned Star Triangle in JavaScript ⭐📐
Welcome to Day 13 of the 30 Days of Pattern Hack Challenge! 🚀
Today’s challenge is all about creating a right-aligned triangle using stars (*) — a classic exercise to strengthen your grasp of nested loops, conditional logic, and string manipulation in JavaScript!
⭐ Pattern Output for n = 4:
****
***
**
*
💡 Approach:
✅ Define a function printPattern(n)
✅ Use nested loops:
• Outer loop for rows (from n to 1)
• Inner loop (j) for columns (from 1 to n)
✅ For each cell:
• Add" " (space)
• Else, add a "*" (star)
✅ After each row, add \n to move to the next line
📚 Key Concepts Covered:
Pattern construction using nested loops
Right-alignment using conditional space-padding
String building with newline characters
Loop control for reverse sequencing
💬 Try it with different values of n and observe how the alignment and shape change!
These foundational patterns sharpen your thinking for more advanced layout logic and algorithmic design. Keep building — your logic muscle is growing! 💪✨
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