Question

How to round a number up or down to the nearest 5 in TypeScript

Answer 1

function roundUpOrDowntoNearest5(num : number) : number {
    return Math.round(num / 5) * 5;
}

console.log(roundUpOrDowntoNearest5(22)); 
console.log(roundUpOrDowntoNearest5(73)); 
console.log(roundUpOrDowntoNearest5(71)); 
console.log(roundUpOrDowntoNearest5(39.99));
console.log(roundUpOrDowntoNearest5(55.17)); 
console.log(roundUpOrDowntoNearest5(3)); 
console.log(roundUpOrDowntoNearest5(18)); 
console.log(roundUpOrDowntoNearest5(-14));
console.log(roundUpOrDowntoNearest5(-101)); 
console.log(roundUpOrDowntoNearest5(-103));

  
  
  
/*
  
run:
  
20 
75 
70 
40 
55 
5 
20 
-15 
-100 
-105  
  
*/

 

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