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Over the last course sections,

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especially in the previous course section,

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if you followed along with that milestone project there,

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we wrote a lot of code.

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And of course, as a developer, you are there to write code,

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but it turns out that as a web developer,

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you will specifically write a lot of CSS

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and JavaScript code.

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You typically write more of that than HTML,

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though of course,

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that will also always depend

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on which page exactly you're building.

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But generally you will often write more CSS

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and possibly JavaScript code than HTML code as a developer.

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And that's not necessarily a problem.

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That's why you are learning it.

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But it turns out that if you work on a lot of projects,

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you have some problems,

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some features, which you add to pages,

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which you are adding over and over again,

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which you encounter in every project you work on.

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You often solve the same problem,

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you write the same code over and over again

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for many projects.

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Maybe with minor adjustments,

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maybe it's exactly the same code.

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Now of course you can copy and paste it between projects,

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but still, having to maintain that code on your own

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and writing the same code,

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solving the same key problems over and over again

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can be annoying.

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And turns out that it's typically not just you

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who is solving the same problems over and over again,

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but that there are certain features, certain problems,

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maybe even certain looks and styles

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that are common to a lot of websites.

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And because that's the case,

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we have something that is called Third-Party Packages,

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which simply are code packages,

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code files, you could say,

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written by others, distributed over the worldwide web,

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so that you and everyone else

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is able to include them in their projects

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and build up on that work others did

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to focus on the main logic that makes up your specific site

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and utilize these pre-built features or pre-built styles

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that were created and shared by others.

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And that's exactly what this course section will be about.

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For that, we are going to explore

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what exactly Third-Party Packages are

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and why we might want to use them,

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even though we already got a first rough idea about that

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over the last minutes.

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And we are then going to see examples for

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CSS Third Party Packages and how we can use them,

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and JavaScript Third Party Packages and how we can use them.

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So that by the end of this course section,

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you know which of kind of work

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you might want to do on your own

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and for which kind of work or problems

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that you might need to solve for your specific project,

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you could turn to Third Party Packages instead.