Sometimes, we want to get a fraction portion of a float number with JavaScript.
In this article, we’ll look at how to get a fraction portion of a float number with JavaScript.
How to get a fraction portion of a float number with JavaScript?
To get a fraction portion of a float number with JavaScript, we can use the %
operator to get the remainder of the number divided by 1.
For instance, we write:
const frac = (f) => {
return f % 1;
}
console.log(frac(123.45))
to define the frac
function that takes the number f
.
And we return the remainder of f
divided by 1 with f % 1
.
Therefore, the console log should log 0.45000000000000284.
Conclusion
To get a fraction portion of a float number with JavaScript, we can use the %
operator to get the remainder of the number divided by 1.