Question

How to add trailing zeros to a number in JavaScript

Answer 1

function addTrailingZeros(num, len) {
  	return String(num).padEnd(len, '0');
}

console.log(addTrailingZeros(4.1, 4)); 
console.log(addTrailingZeros(5.2, 5)); 
console.log(addTrailingZeros(2.4, 6)); 
console.log(addTrailingZeros(-2.4, 6)); 
  
  
  
  
/*
run:
  
"4.10"
"5.200"
"2.4000"
"-2.400"
  
*/

 

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