JavaScript - How To Detect Number As A Decimal (Including 1.0)

Question

It feels like I am missing something obvious here. This has been asked a number of times - and the answer usually boils down to:

var num = 4.5;
num % 1 === 0; /         


        

Answer 1

You'll have to do it when parsing the string. If there's a decimal point in the string, treat it as percentage, otherwise it's just the integer value.

So, e.g.:

rgb 1 1 1   // same as #010101
rgb 1.0 1 1 // same as #ff0101

Since the rgb is there, you're parsing the string anyway. Just look for . in there as you're doing it.