3364866
Description
Note by James Drummond, updated more than 1 year ago
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Created by James Drummond
about 9 years ago
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Page 1
The syntax is like:[1, 2, 3].map(num => num * 2) // Which is equivalent to: [1, 2, 3].map(function (num) { return num * 2 }) // So this is just shorthand for writing a callback.Arrow functions are just for expressions:- They do not have this or arguments
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