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JavaScript Quickstart

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Write a Callback as an Arrow Function

0:50 with Guil Hernandez

Most of the time, you'll see the function passed to forEach (callback function) written as an arrow function, using the new arrow syntax (=>). This is a new, shorter syntax for writing functions in JavaScript.

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    Most of the time you'll see the call back function, or the function being 0:00
    passed to for each, written as an arrow function, using the new fat arrow syntax. 0:04
    This is a new, shorter syntax for writing functions in JavaScript. 0:09
    For example, I can shorten the function inside for 0:12
    each by replacing the function keyword in parentheses. 0:16
    With movie and a fat arrow which is just an equal sign immediately 0:20
    followed by right angle bracket. 0:25
    Better yet, arrow functions with one statement, 0:27
    like this one, can be condensed to one line so 0:32
    I can place everything on one line, like so. 0:36

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