FAQ: jQuery Setup - Review: jQuery Introduction


This community-built FAQ covers the “Review: jQuery Introduction” exercise from the lesson “jQuery Setup”.

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This exercise can be found in the following Codecademy content:

Web Development

Introduction to jQuery

FAQs on the exercise Review: jQuery Introduction

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In the code that was in the editor the arrow function is as follows:

$navDropdown.on('mouseleave', () => {

However in an earlier JavaScript lesson I learned the curly braces were not always needed in arrow function expressions. Is there a reason why the code is not as follows:

  $navDropdown.on('mouseleave', () =>   $navDropdown.hide())