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About the JavaScript FAQ category
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1
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1005
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January 22, 2021
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Why can't I use crewMember.name?
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118
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27104
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March 8, 2023
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How would you know when to use factory functions?
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26
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20000
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December 27, 2022
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Why would the length of a sentence be useful to know?
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39
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65056
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October 25, 2022
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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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10
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9733
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April 15, 2022
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What are advanced objects?
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7
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20003
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April 20, 2022
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Do I need to use a semicolon?
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32
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141008
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March 9, 2023
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Is Javascript case sensitive?
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39
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233551
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March 6, 2023
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How could I use a switch statement for this lesson?
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126
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17367
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February 10, 2023
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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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34
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16979
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December 13, 2022
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Clarifying Arrow Function Notation
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54
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15909
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December 30, 2021
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Do we have to always use {} when creating a variable through destructuring?
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19
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12986
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December 23, 2021
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FAQ: Why can't I console log mutualfollowers.push()
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63
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44710
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February 2, 2023
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Does `this` always refer to an object?
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30
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13798
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January 3, 2023
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How does bounceBubbles() work?
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48
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274950
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April 27, 2022
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What else can JavaScript be used for?
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18
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12511
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February 17, 2023
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Why do I need to use `return`?
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98
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29863
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January 28, 2023
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What is the difference between printing `3 + 4` and `'3 + 4'`?
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51
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55410
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October 25, 2022
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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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5
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7633
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April 9, 2022
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What is the difference between triple equals, ===, and double equals, ==, in JavaScript?
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4
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34680
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September 8, 2021
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What's the difference between React and ReactDOM?
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4
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25799
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March 13, 2023
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Why do we need parentheses around multi-line JSX expressions?
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10
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17767
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March 13, 2023
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How does Javascript handle a negative modulo? (`-5 % 20`)
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45
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50453
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March 10, 2023
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What does this ${} syntax do?
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41
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62316
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December 13, 2022
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Is it best practice to use string concatenation or string interpolation? Why?
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4
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11817
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December 23, 2021
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When should we use callbacks vs directly calling a function?
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2
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31009
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December 9, 2021
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Is there a power operator in JavaScript?
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0
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5723
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October 7, 2018
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What is the difference between document.write and console.log?
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38
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161128
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March 10, 2023
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When to use `var` or `let`?
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24
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24627
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January 25, 2023
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Why do Arrow functions exist and how could you use them in objects if you wanted to?
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28
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20682
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April 21, 2022
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