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paulwib/fat-arrows.js

Created December 10, 2016 15:02
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Fat arrow fail
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fat-arrows.js
var foo = () => console.log(this); // foo() - `this` is undefined
var bar = function() { console.log(this) }; // bar() -`this` is window (in browser)
var fred = function() { console.log(arguments) }; // fred(1) - [1]
var dave = () => console.log(arguments); // dave(1) - Reference error, arguments is undefined!
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paulwib commented Dec 10, 2016

See https://rainsoft.io/when-not-to-use-arrow-functions-in-javascript/ for more confusion.

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