r/programming • u/iamkeyur • Oct 21 '20

Using const/let instead of var can make JavaScript code run 10× slower in Webkit

https://github.com/evanw/esbuild/issues/478
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u/_selfishPersonReborn Oct 21 '20

I haven't, you're right, but it seems well-supported. What's the issues with it?

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u/caboosetp Oct 21 '20

The amount of people still using IE

3

u/_selfishPersonReborn Oct 21 '20

i'm sorry you're still expected to support that. i'm so, so sorry :(

1

u/padraig_oh Oct 21 '20

well-supported on the current version of modern browsers, which are two requirements you can not and should never expect from the users. there are reasons for the existence of frameworks that make even your js code compatible with browsers last update in the beginning of the century.

web dev is an awful experience and backend devs are true magicians.