Skip to content

Instantly share code, notes, and snippets.

@mmazer
Created September 24, 2012 01:29
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save mmazer/3773731 to your computer and use it in GitHub Desktop.
Save mmazer/3773731 to your computer and use it in GitHub Desktop.
JavaScript: Test for number
function isNum( obj ) {
var t = typeof obj;
return obj &&
( t === "number " || ( t === "string" && !isNaN(parseInt(obj)) ) );
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment