Every isNaN (v5)

Revision 5 of this benchmark created on

Description

This test is meant to consolidate several isNaN techniques. Please update with any isNaN alternatives you know, and test on every possible JavaScript agent.

Setup

x = "str";
    y = 43;

Test runner

Ready to run.

Testing in
TestOps/sec
isNaN function
if(isNaN(x));
if(isNaN(y));
ready
"" + NaN
if(x+"" === "NaN");
if(y+"" === "NaN");
ready
+NaN
if(+x !== NaN);
if(+y !== NaN);
ready
<= && >
if (!(x <= 0) && !(x > 0));
if (!(y <= 0) && !(y > 0));
ready
<= || >
if (x <= 0 || x > 0);
if (y <= 0 || y > 0);
ready
typeof
if (typeof x === 'number');
if (typeof y === 'number');
 
ready
~~a === a
if (~~x === x);
if (~~y === y);
ready

Revisions

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