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And with that

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that's it for this module.

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We learned a lot about browsers support, what it is, how we can plan our application for it, how we should

4
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analyze the market and which resources you can use to find out which feature is supported by which browser

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and which market share that feature has.

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You then learned about different techniques like feature detection with fallback code,

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you learned about polyfills which you can add manually or combined with transpilation, another cool

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feature you learn about can be done automatically,

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how Babel loader which transpiles your code so that modern Javascript code can be written and still

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works in older browsers and that it does not just compile that code but also automatically add polyfills

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for features you might need.

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And with all of that, you of course have a couple of things to watch out for, to keep in mind

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but that is just what web development is all about,

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it is about writing good code, code that also works on older browsers

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If you need to support that audience and you therefore have all the tools now you need to really write

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Javascript applications where you can leverage modern features and still ensure that everything works

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in one way or the other in older browsers as well.