Integer Validity (v19)

Revision 19 of this benchmark created by Tudor Potecaru on

Description

Using xor operator to determine if a variable is an integer.

Setup

var a = 12;
    var b = 34.5;
    var c = Infinity;

Test runner

Ready to run.

Testing in
TestOps/sec
Typeof and modulus operator
(typeof a==='number' && (a%1)===0);
(typeof b==='number' && (b%1)===0);
(typeof c==='number' && (c%1)===0);
ready
Using parseInt
(a == parseInt(a));
(b == parseInt(b));
(c == parseInt(c));
ready
Using xor
a^0 === a;
b^0 === b;
c^0 === c;
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.