Question

How to print Floyd's triangle in Node.js

Answer 1

// Floyd's triangle is a right-angled triangular of natural numbers
 
let rows = 8, n = 1;
  
for (let i = 1; i <= rows; i++) {
    let s = "";
    for (let j = 1; j <= i; j++, n++) {
        s += n + " ";
    }
    console.log(s);
}
 
 
/*
run:
  
1 
2 3 
4 5 6 
7 8 9 10 
11 12 13 14 15 
16 17 18 19 20 21 
22 23 24 25 26 27 28 
29 30 31 32 33 34 35 36 
   
*/

 

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