Run results for: Number fixing - 3

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.75 Safari/537.36

Browser: Chrome 86

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
regex	1112492.0 Ops/sec
while	1184712.0 Ops/sec
reversed	840293.7 Ops/sec

Script Preparation code:

function rn() {
    return (Math.random() * 1000).toFixed(3)
}

function rx(v) {
    return v.replace(/\.?0+/, '')
}

function rw(v) {
    let r = v
    while (r.endsWith('0')) {
        r = r.slice(0, r.length - 1)
    }
    if (r.endsWith('.')) {
        r = r.slice(0, r.length - 1)
    }
    return r
}

function rw2(v) {
  const rev = v.split('').reverse()
  for (let i = 0; rev[i] === '0' || rev[i] === '.'; i++) {}
  return rev.slice(i).reverse().join('')
}

Tests:

regex
rx(rn())
while
rw(rn())
reversed
rw2(rn())

Run results for: Number fixing - 3

regex

while

reversed