Does javascript execution stop when an invalid line is encountered?

Question

If the browser is executing JavaScript on a web page and it encounters invalid JavaScript (e.g. somerandomthingy;) Does execution of JavaScript stop at that point, or do async o

Answer 1

I think execution stops. If you set an alert after a line of code that breaks, you will not reach the alert, which leads me to believe that execution stops. I'm not sure if the same is true of asynch XmlHtttpRequests, though.