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About the JavaScript FAQ category
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1
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715
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January 22, 2021
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Why can't I use crewMember.name?
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97
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16322
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July 1, 2021
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How would you know when to use factory functions?
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14
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12127
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May 22, 2021
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How does bounceBubbles() work?
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44
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223983
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June 19, 2021
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Is Javascript case sensitive?
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24
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136308
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July 7, 2021
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Do we have to always use {} when creating a variable through destructuring?
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17
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8996
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February 22, 2021
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When should I use the defer attribute on a <script> element in the <head> vs. using a <script> element at the end of the <body>?
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3
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5584
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November 10, 2020
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Do I need to use a semicolon?
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15
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95156
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June 6, 2021
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What is the difference between triple equals, ===, and double equals, ==, in JavaScript?
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3
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20197
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September 9, 2019
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Why would the length of a sentence be useful to know?
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24
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32286
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June 26, 2021
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What's the difference between React and ReactDOM?
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3
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16486
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March 26, 2021
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Why do we need parentheses around multi-line JSX expressions?
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7
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11303
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March 29, 2021
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When should we use callbacks vs directly calling a function?
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1
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20057
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September 21, 2020
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How could I use a switch statement for this lesson?
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90
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8928
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July 20, 2021
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What does this ${} syntax do?
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36
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21109
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July 22, 2021
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What are other uses of functions as data?
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14
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10846
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April 15, 2021
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Why do I need to use `return`?
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68
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17781
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July 5, 2021
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Clarifying Arrow Function Notation
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47
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9759
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December 29, 2020
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Why do I need a setter, if I am using _ to not have the property changed by others?
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31
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11112
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April 30, 2021
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How do I handle JS (or other computer science problems) I'm not sure how to solve?
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1
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5187
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July 23, 2021
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FAQ: Welcome to Codecademy! - Welcome to Codecademy!
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19
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15010
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April 13, 2021
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Do I have to use valid HTML tags when creating JSX elements?
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0
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10977
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January 18, 2019
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Why do I need to create a variable to store a module that is imported using require()?
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2
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5431
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July 2, 2020
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Does `this` always refer to an object?
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15
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8369
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May 12, 2021
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Is there a power operator in JavaScript?
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0
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4075
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October 7, 2018
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What does the send() method do?
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3
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7656
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January 24, 2021
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FAQ: Why can't I console log mutualfollowers.push()
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52
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27880
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March 23, 2021
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How useful are Built-in object methods?
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12
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5504
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May 12, 2021
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What other types of responses does the XMLHttpRequest API support?
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0
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4226
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March 7, 2019
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How does a URL shortener work?
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12
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7357
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February 18, 2021
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