Print Numbers from 1 to N (JavaScript)

Print Numbers from 1 to N

Printing numbers from 1 to N is a fundamental programming exercise that introduces the concept of iteration and loops in JavaScript. It’s a common starting point for beginners to understand how to control the flow of a program and generate a sequence of values.

Understanding the Concept

The goal is to display every integer starting from 1 up to a specified upper limit, ‘N’. This typically involves a loop that increments a counter variable from 1 to N, printing its value in each iteration.

Common Approaches

1. Using a for loop:

The for loop is ideal when you know the number of iterations in advance.

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Explanation:

  • The loop initializes currentNumber to 1.
  • It continues as long as currentNumber is less than or equal to limitN.
  • In each iteration, currentNumber is printed to the console, and then incremented by 1.
2. Using a while loop:

The while loop is suitable when the number of iterations is not fixed beforehand, but rather depends on a condition.

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Explanation:

  • currentNumber is initialized to 1.
  • The while loop continues as long as currentNumber is less than or equal to limitN.
  • Inside the loop, currentNumber is printed, and then incremented by 1.

Key Takeaways

  • Loops (for and while): Essential for repetitive tasks in JavaScript.
  • Iteration: The process of repeating a set of instructions.
  • Counter Variable: A variable used to keep track of the number of iterations.

This basic problem lays the groundwork for more complex algorithmic challenges involving sequences and series.