Is parseInt() supposed to work like this?

Question

If I write this script :

alert(parseInt(\"123blahblahblah456\"));

I get the alert with the value 123

Ideally, shouldn\'t th

Answer 1

It's documented to behave like that:

If parseInt encounters a character that is not a numeral in the specified radix, it ignores it and all succeeding characters and returns the integer value parsed up to that point.

Whether that behaviour is a good idea is another matter, but it's too late to change it now.