JavaScript Array Methods: forEach()

Publié le: 11 novembre 2022
sur la chaîne: Treehouse

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Being able to loop over items in an array is a crucial skill to understand as a developer. A great way to do this is by using the popular JavaScript array method: forEach(). This method allows you to loop over array items with a clean, simple syntax. Follow along as Dustin explains and demonstrates forEach(). Stick around until the end to see how to use it in a real-world example! Start your free trial to learn more!
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Blog article:
https://trhou.se/3OdfJcZ

Helpful resources:

MDN: forEach()
https://trhou.se/3UqTjqK

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Chapters:
0:00 Intro
0:59 MDN - forEach() example
2:41 MDN - forEach() parameters
3:35 Practice forEach() in browser console
5:22 forEach() parameter review
6:16 Pro tip
6:45 Practice forEach by building a settings UI
7:36 Settings array overview
8:38 createSetting function overview
9:18 createNotification function overview
9:41 for loop overview
11:14 Convert for loop to forEach
12:19 Using the index parameter to create notifications
16:04 Final thoughts

#javascript #html #CSS
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