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About the JavaScript FAQ category
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1
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779
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January 22, 2021
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Why can't I use crewMember.name?
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100
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18327
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September 15, 2021
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How would you know when to use factory functions?
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17
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13451
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September 19, 2021
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How does bounceBubbles() work?
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45
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232109
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September 13, 2021
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Is Javascript case sensitive?
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25
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154854
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August 27, 2021
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Do we have to always use {} when creating a variable through destructuring?
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18
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9838
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September 11, 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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5
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6209
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September 17, 2021
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Do I need to use a semicolon?
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17
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103296
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September 15, 2021
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Why would the length of a sentence be useful to know?
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26
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38938
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September 29, 2021
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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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12310
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April 30, 2021
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Clarifying Arrow Function Notation
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50
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10911
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September 19, 2021
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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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24134
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September 8, 2021
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How could I use a switch statement for this lesson?
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100
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10604
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October 1, 2021
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What does this ${} syntax do?
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36
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25833
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July 22, 2021
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What's the difference between React and ReactDOM?
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3
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18056
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March 26, 2021
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Is it best practice to use string concatenation or string interpolation? Why?
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3
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7298
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September 21, 2021
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Does `this` always refer to an object?
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19
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9261
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October 4, 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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3
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5663
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September 8, 2021
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Why do I need to use `return`?
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75
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20199
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August 31, 2021
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When should we use callbacks vs directly calling a function?
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2
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22123
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September 18, 2021
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Why do we need parentheses around multi-line JSX expressions?
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7
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12439
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March 29, 2021
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What are other uses of functions as data?
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14
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11673
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April 15, 2021
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What is the difference between printing `3 + 4` and `'3 + 4'`?
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41
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32253
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October 6, 2021
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What are some examples of what javascript can be used to make?
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39
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105346
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September 22, 2021
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FAQ: Welcome to Codecademy! - Welcome to Codecademy!
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19
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15442
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April 13, 2021
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Is there a power operator in JavaScript?
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0
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4475
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October 7, 2018
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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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11746
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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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5505
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July 2, 2020
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Is property value shorthand in objects compatible with all browsers?
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11
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8505
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March 2, 2021
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What does the send() method do?
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3
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8172
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January 24, 2021
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