isInt() JavaScript function

scott christopher February 4, 2009 Reply

I tend to use:

function isInt (i) {
return (i % 1) == 0;
}

Peter Bengtsson April 27, 2010 Reply

This fails on floating point numbers. isInt("1.1") is false but isInt("1.0") is true which it's not supposed to.

Stuart Thiel September 17, 2011 Reply

Thanks, used and credited.