> Try-catch- this seems like v8 specific advice. Chakra definitely does optimize functions with try-catch in it, and I think SpiderMonkey does too http://gs.st

> Try-catch- this seems like v8 specific advice. Chakra definitely does optimize functions with try-catch in it, and I think SpiderMonkey does too http://gs.statcounter.com/ http://gs.statcounter.com/ certainly suggests that specifically optimizing for Chrome/V8 will benefit the majority of users (58% not including mobile, 50% including mobile). As with all statistics, take with a grain of salt.