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> 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/ 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.




Also keep in mind that 50% of users as a whole may not equate to 50% of your users.




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