isNumeric return true on array with only one numeric value

isNumeric return true when the test value is an array with only one numeric value.

eg:

$.isNumeric([1,2]) will return false, but

$.isNumeric([1]) will return true instead of false.

Attachments (0)

Change History (4)

Confirmed in Chrome 15 and Firefox 8.

This is because the isNumeric method is using parseFloat which is coercing the array into a number.

Can we just update the isNumeric documentation to make it clear that what's being checked is the argument's String representation?

resolution:	→ worksforme
status:	open → closed

What is there to change? That behaviour is correct. http://es5.github.com/#x15.1.2.3

@rwaldron can't we at least just add this to the other examples, to make it clear?

$.isNumeric("[1]"); // true

Side navigation