Question

How to reverse a float number in JavaScript

Answer 1

function reverseNum(num) {
	return (
    parseFloat(
      num
        .toString()
        .split('')
        .reverse()
        .join('')
    ) * Math.sign(num)
  )
}

console.log(reverseNum(-4891.409))

console.log(reverseNum(345.89001))
  
  
    
    
/*
run:
    
-904.1984
10098.543
    
*/

 

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