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

As far as I know the parseInt() method is trying to parse until it finds a character. So if you have

• parseInt("123 Iam funny") it will return 123.
• parseInt("whats up 4711") it will return NaN

Some documentation you might be checking out :

• http://www.devguru.com/technologies/ecmascript/quickref/parseint.html
• http://www.bennadel.com/blog/2012-Exploring-Javascript-s-parseInt-And-parseFloat-Functions.htm