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Create sum.js #9

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14 changes: 14 additions & 0 deletions sum.js
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Original file line number Diff line number Diff line change
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// program to display the sum of natural numbers

// take input from the user
const number = parseInt(prompt('Enter a positive integer: '));

let sum = 0;

// looping from i = 1 to number
// in each iteration, i is increased by 1
for (let i = 1; i <= number; i++) {
sum += i;
}

console.log('The sum of natural numbers:', sum);