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video callouts with emoji, addition of Learn path links
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This lesson covers the basics of JavaScript, the language that provides interactivity on the web.
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> You can take this lesson on [Microsoft Learn](https://docs.microsoft.com/en-us/learn/modules/web-development-101-variables/?WT.mc_id=academic-13441-cxa)!
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[](https://youtube.com/watch?v=JNIXfGiDWM8 "Data types in JavaScript")
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> 🎥 Click the image above for a video about data types
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Let's start with variables and the data types that populate them!
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## Variables
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Variables store values that can be used and changed throughout your code.
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[](https://youtube.com/watch?v=XgKsD6Zwvlc "Methods and Functions")
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> Click the image above for a video about methods and functions.
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> 🎥 Click the image above for a video about methods and functions.
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> You can take this lesson on [Microsoft Learn](https://docs.microsoft.com/en-us/learn/modules/web-development-101-functions/?WT.mc_id=academic-13441-cxa)!
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@@ -10,7 +10,9 @@ Making decisions and controlling the order in which your code runs makes your co
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[](https://youtube.com/watch?v=SxTp8j-fMMY "Making Decisions")
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> Click the image above for a video about making decisions.
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> 🎥 Click the image above for a video about making decisions.
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> You can take this lesson on [Microsoft Learn](https://docs.microsoft.com/en-us/learn/modules/web-development-101-if-else/?WT.mc_id=academic-13441-cxa)!
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## A Brief Recap on Booleans
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Booleans can be only two values: `true` or `false`. Booleans help make decisions on which lines of code should run when certain conditions are met.
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[](https://youtube.com/watch?v=Q_CRM2lXXBg "Arrays and Loops")
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> Click the image above for a video about arrays and loops.
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> 🎥 Click the image above for a video about arrays and loops.
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> You can take this lesson on [Microsoft Learn](https://docs.microsoft.com/en-us/learn/modules/web-development-101-arrays/?WT.mc_id=academic-13441-cxa)!
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## Arrays
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Working with data is a common task for any language, and it's a much easier task when data is organized in a structural format, such as arrays. With arrays, data is stored in a structure similar to a list. One major benefit of arrays is that you can store different types of data in one array.
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