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JavaScript DOM Scripting By Example Adding and Removing Names RSVP Checkbox

"(e) =>" not work with me !

when i use "(e) =>" not work , i must always use function(e), could you please say , Why?

3 Answers

Kevin Korte
Kevin Korte
28,149 Points

Are you using babel? If you're trying to do this in a browser, they they can't understand (e) =>, however if you're using babel, it will compile ES2015 into browser-compatible JS (i.e. it'll spit out function(e)) which the browsers can read.

Thank you :)

Steven Parker
Steven Parker
231,275 Points

Arrow functions can't always be substituted for conventional functions. For example, they can't be used as constructors, and they don't provide several of the bindings conventional functions do (most notably "this").

For more details see this MDN page on Arrow Functions.

If that's not the issue, please show more of your code or make a snapshot of your workspace and post the link to it here.

Thank you :)