1number.toLocaleString("en-US", {
2    minimumIntegerDigits: 2,
3    useGrouping: false,
4});

1var numarr = [8, 32, 128]
2var formatted = []
3//create three numbers of different lengths
4numarr.forEach(num => {
5  formatted.push(
6    num.toLocaleString('en-US', {//this is the function that formats the numbers
7      minimumIntegerDigits: 2, //change this to your minimum length
8      useGrouping: false
9    })
10  )
11})
12//after running this, formatted == [08, 32, 128]

1[7, 27.5, -7.2345].forEach(myNumber => {
2  let formattedNumber = myNumber.toLocaleString('en-US', {
3    minimumIntegerDigits: 2,
4    useGrouping: false
5  })
6  console.log(
7    'Input:    ' + myNumber + '\n' +
8    'Output:   ' + formattedNumber
9  )
10})