Learn Intersection Observer In 15 Minutes

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  • เผยแพร่เมื่อ 5 ก.ค. 2024
  • Intersection Observer is an amazing tool in JavaScript that allows you to easily and efficiently do pretty much anything based on the visibility of elements. This is perfect for scroll animations, lazy loading images, infinite scroll, and much more. Also, Intersection Observer is incredibly performant and flexible which makes it by far the best approach.
    📚 Materials/References:
    Intersection Observer Article: blog.webdevsimplified.com/202...
    🌎 Find Me Here:
    My Blog: blog.webdevsimplified.com
    My Courses: courses.webdevsimplified.com
    Patreon: / webdevsimplified
    Twitter: / devsimplified
    Discord: / discord
    GitHub: github.com/WebDevSimplified
    CodePen: codepen.io/WebDevSimplified
    ⏱️ Timestamps:
    00:00 - Introduction
    00:50 - IntersectionObserver Basics
    05:20 - IntersectionObserver Options
    11:11 - Infinite Scrolling Example
    #IntersectionObserver #WDS #JavaScript

ความคิดเห็น • 300

  • @mwdcodeninja
    @mwdcodeninja 2 ปีที่แล้ว +14

    I love your content. No fluff, through, and with practical use cases. Love it!

  • @wordinarius1950
    @wordinarius1950 ปีที่แล้ว

    This guy is my favourite teacher:) the best tutorial on this topic so far! He is teaching only the necessary things and keeps the videos as short as possible👏 very practical!

  • @DarkSomaX
    @DarkSomaX 2 ปีที่แล้ว +2

    Man, this is the second time one of your videos clarified the concepts of JS, the first being the difference between nodes and elements with your cheatsheet, thank you for these videos, they are of great help for someone learning JS from 0 to advanced!

  • @user-py2kk2bg3j
    @user-py2kk2bg3j 10 หลายเดือนก่อน

    Your blog on this topic of "Intersection Observer API" is phenomenal. NOBODY would have ANY Doubt after calmly reading through that blog... Thank you

  • @onthecodeagain
    @onthecodeagain 2 ปีที่แล้ว +1

    I really really dig the pace of this channel as well as how the content is covered. Thanks for the video :)

  • @aram5642
    @aram5642 2 ปีที่แล้ว +128

    One of the best tuts on this topic. No bs, great pace. Respect!

    • @LennWeltmeister
      @LennWeltmeister 2 ปีที่แล้ว +2

      Ikr, I finally learned how to handle Int Observers

  • @diogosoares1309
    @diogosoares1309 ปีที่แล้ว +10

    Hey Kyle, I just went through the MDN documentation and came to your video only after to consolidate the knowledge. I must say you've put a masterclass on display! Keep up the great work, I love your channel.

  • @hermannrudas
    @hermannrudas 2 ปีที่แล้ว +3

    I've passed 4 days trying to get into this topic using different sources once here, Mr Kyle in less than 15 min not only solved all my doubts but i've also learned how to add infinite images using I-Observer.. Thank You very much

  • @MrJettann
    @MrJettann 2 ปีที่แล้ว

    I was looking for it so long, so accessible and understandable! Thank you so much!
    Now I look forward to continuing!

  • @MarshallBanananana
    @MarshallBanananana ปีที่แล้ว

    This is the fifth video on Intersection Observer I watched and it's the first one, where I'm starting to grasp the concept. Thank you!

  • @Elenthiriel
    @Elenthiriel 2 ปีที่แล้ว +11

    There are 2 things that are absolutely true about your channel and you
    1 - You really simplify the web for US
    2 - You really helps us build our dream project sooner
    You are awesome, love ya ❤

  • @JordanAF808
    @JordanAF808 ปีที่แล้ว

    Whenever I'm stuck, I can bet money that this channel will have a clear, informative video to help me out. Thanks!

  • @SridTech
    @SridTech 2 ปีที่แล้ว

    Video with a great pace. You actually painted my grey on how those fancy websites do that animation on scroll. Thank you kyle.

  • @gmaiwun
    @gmaiwun 9 หลายเดือนก่อน

    Thanks for this. The clarity and preciseness is just what I was looking for.

  • @NamNguyen-oz8uj
    @NamNguyen-oz8uj 2 ปีที่แล้ว +2

    I'm doing my project that needs intersectionObserver for animation. I learned a lot from your video, really helpful. Thank you very much! 🙏🎉

  • @user-mp4wh9sk6k
    @user-mp4wh9sk6k 10 หลายเดือนก่อน

    Kyle, thank you so much, you are the best web dev instructor ever. I bought your JS and React courses, the content is amazing, and I don t know how you do this, but every time I ask a question in the course, I get a full answer in the next 24hours. I m progressing a lot and that s thanks to you. and now, I m looking forward for your Next.js course. ) Thanks++++++++

  • @surench862
    @surench862 2 ปีที่แล้ว

    You makes life much easier. Thank you so much for your effort. Your all tutorial much clearer, simpler and precise.

  • @ashy7198
    @ashy7198 2 ปีที่แล้ว

    Great tutorial was really easy to follow! I forgot to add the align-items:flex-start to my own follow-along of this, and it had me scratching my head as to why it didnt work, on the plus side, I googled hard and now have an even better understanding than before! Cheers! :D

  • @piusvictor8780
    @piusvictor8780 ปีที่แล้ว

    Amazing Tutorial, everything is clear and on point, Great Job Kyle

  • @christiansaborio410
    @christiansaborio410 2 ปีที่แล้ว +1

    4:53 into the video, paused it, and with what you explained I was able to make a shopping cart fixed button appear after the logo of website was scrolled out of sight - great explanation!

  • @yinonelbaz5309
    @yinonelbaz5309 2 ปีที่แล้ว +4

    What an amazing feature
    I was generally looking for a solution to another problem but it's going to make it easier for me in so many situations
    Thank you so much bro for the great explanations and quality content you upload

  • @robertrynard7397
    @robertrynard7397 2 ปีที่แล้ว

    Wow I searched your channel for this exact video yesterday! Your videos have been a huge help thank you so much!

  • @rcarias78
    @rcarias78 2 ปีที่แล้ว +20

    Really enjoyed watching this tut (and your others). Very clear and concise! Hopefully you release the next ones for Mutation and Resize. Question, do you have one on Tailwind design system (or your thoughts on good design systems)? Also, what software do you use (recommend) to record your tuts? Thank you and keep providing the Knowledge for us all !!!

  • @dragonboy99
    @dragonboy99 2 ปีที่แล้ว

    Oh wow! This is definitely new animation/scrolling knowledge for me. The video was well constructed too. 👍

  • @damjan4375
    @damjan4375 8 หลายเดือนก่อน

    Best explanation I found. Great work as always!

  • @FabianAmran
    @FabianAmran 2 ปีที่แล้ว

    Great videos man. Keep this format. I like how you don't waste my time with intros and nonsense

  • @fenrirlokison537
    @fenrirlokison537 5 หลายเดือนก่อน

    Again, looking for a specific topic and finding a tutorial from good old kyle. Man I like your tutorials. One time watched===understood

  • @sanjitselvan5348
    @sanjitselvan5348 2 ปีที่แล้ว

    Man! I searched a lot on this topic, but hadn't found a satisfactory explanation. I understood this concept thoroughly after watching this video. Thanks a ton!

    • @Hafsa0526
      @Hafsa0526 ปีที่แล้ว

      Hey Sanjit. Seems like you are clear with your concepts. Are you open to internship/job opportunities in web development?

  • @krishgarg2806
    @krishgarg2806 2 ปีที่แล้ว

    Thank you! I knew about this but was always confused on how to practically use it. Thanks

  • @murolem
    @murolem 2 ปีที่แล้ว +9

    wow never heard about this 🙉
    this is totally gonna be useful for loading and unloading for big amount of elements

  • @sarbajitbhattacharjee6652
    @sarbajitbhattacharjee6652 2 ปีที่แล้ว

    Your videos are truely simplified. Hats off👌👌

  • @Powerful-Manifestor-
    @Powerful-Manifestor- ปีที่แล้ว

    Explained so clearly and truly simplified it :)

  • @mohammadalaaelghamry8010
    @mohammadalaaelghamry8010 11 หลายเดือนก่อน

    Amazig video. And amazing way of explaining the subject. Thank you that was very clear and useful.

  • @danilaFro
    @danilaFro ปีที่แล้ว

    Cool, thank you! I was looking for a good lazy loading explanation for a long time

  • @CreativeTutorialsWeb
    @CreativeTutorialsWeb 2 ปีที่แล้ว +1

    Really loved this tutorial this is the best one ever. Thank you for teaching 😎

  • @JamesJansson
    @JamesJansson ปีที่แล้ว

    This was really concise. Excellent tutorial.

  • @DannyRoyJenuil
    @DannyRoyJenuil ปีที่แล้ว

    Thank you so much for this tutorial. Really helped me to understand the Intersection Observer API!

  • @74Gee
    @74Gee 3 หลายเดือนก่อน

    Nice tutorial, perfect speed and level of detail, I would also add a function to remove some of the old cards to avoid a tiny scroll bar.

  • @EmaCovers95
    @EmaCovers95 ปีที่แล้ว

    Another day avoiding being fired thanks to tutorials. I love you man, thank you ^^

  • @FacePlat3
    @FacePlat3 2 ปีที่แล้ว +1

    Soon as I see a JS feature I don't know I clicked 😄. It really helps that you keep focusing on JS specific tutorials becuase it makes me love JS more.

  • @OldManBears
    @OldManBears 8 หลายเดือนก่อน

    Thank you so much Kyle, you sir, are a rockstar. This was incredibly helpful!

  • @lauralegerofficial
    @lauralegerofficial 2 ปีที่แล้ว +1

    This is great! I was making a game, and this is just what I needed.

  • @royhyde8842
    @royhyde8842 ปีที่แล้ว

    Man this is a life saver for lazy loading and infinite scrolling. woow Thanks man.

  • @frankiii9165
    @frankiii9165 8 หลายเดือนก่อน

    Thank you so much for this amazing tutorial. I couldn't understand and get to work the foreach method so I used for-of instead. Just a few lines and there's an amazing effect.

    • @end4567
      @end4567 8 หลายเดือนก่อน

      Pretty much, forEach is another way of looping through arrays. The first argument inside the callback is always the current element, regardless of what you type inside. Second argument is the index of the current element. Third argument is the entire array you're looping through.
      array.forEach(function(curElem, i, arr) {})
      I hope this helps

  • @said-magomeddzhabrailov7911
    @said-magomeddzhabrailov7911 ปีที่แล้ว

    This video helped me fully understand this API. Thanks

  • @christopher7540
    @christopher7540 2 ปีที่แล้ว

    fantastic video, i was just came across to a website with similar animation and thought how this is possible and after a few hours this video popped out. thanks

  • @vanluutran726
    @vanluutran726 9 หลายเดือนก่อน

    Your video is so good, it's helped me a lot. Many thanks.

  • @hussainmusthaq5567
    @hussainmusthaq5567 ปีที่แล้ว

    Highly appreciate your contents. They help me on the daily.

    • @Hafsa0526
      @Hafsa0526 ปีที่แล้ว

      Hey Hussain. Have you created projects in React/Node js? Would you be interested in exploring job opportunities in software development?

  • @anshrusia1347
    @anshrusia1347 ปีที่แล้ว

    Great explanation at a perfect pace. 🙏

  • @megayoltic
    @megayoltic 2 ปีที่แล้ว

    I was just looking for something like this. That you very much!

  • @benjaminasracas4525
    @benjaminasracas4525 2 ปีที่แล้ว

    Loved the video, hope to see more tutorials like this

  • @kirankothandan5529
    @kirankothandan5529 ปีที่แล้ว

    This is really wonderful explanation.Thank you ❤

  • @razzasizer
    @razzasizer 2 ปีที่แล้ว

    this is an excellent video on intersection observer.. thank you kyle!

  • @user-mu6fj1ul8l
    @user-mu6fj1ul8l 2 ปีที่แล้ว

    Thank you for making this video! Im actually looking the way of doing this effect on my project!

  • @carlos9484
    @carlos9484 ปีที่แล้ว

    thanks bro. i've benn following your tutorials and you helped me a lot🙏

  • @SchalkNeethling
    @SchalkNeethling ปีที่แล้ว

    Thank you for the incredibly well explained tutorial. 👍

  • @danieldbird
    @danieldbird ปีที่แล้ว

    Very thorough. Thanks Kyle.

  • @smothie96
    @smothie96 ปีที่แล้ว

    Hello I was wondering how to understand intersection obeservative and found your video. It was very helpful and easy to understand! Thank you ☺️

  • @codefacileWK
    @codefacileWK 2 ปีที่แล้ว

    Awesome video, as always. Thank you !

  • @Hamid-ej4ol
    @Hamid-ej4ol 2 หลายเดือนก่อน

    Thanks man, although i'm a beginner, with your tutorial I learned the Intersection Observer so well.

  • @joshuamichael845
    @joshuamichael845 ปีที่แล้ว

    Very comprehensive and precise 💯

  • @steveh7922
    @steveh7922 2 ปีที่แล้ว

    Thank you! I'm 100% using this as soon as I get back to work

  • @iamjustine1
    @iamjustine1 ปีที่แล้ว

    Best tutorial, simple and easy to understand.

  • @MrAbbo11
    @MrAbbo11 ปีที่แล้ว

    Awesome! You are wonderful person and a brilliant teacher!

  • @stevenox3383
    @stevenox3383 5 หลายเดือนก่อน

    I feel like such an idiot....I wrote a little virtualization component that does this very thing having no idea this video existed!
    This really helped solidify some of these concepts, many of which I just spent the last few hours learning via api docs.
    Great stuff!

  • @Agha1
    @Agha1 ปีที่แล้ว

    Truly simplified. A big thank you from Syria ❤

  • @SZOKE19940321
    @SZOKE19940321 2 ปีที่แล้ว

    exactly the video I need, u 're the best man : D

  • @hzaharr
    @hzaharr 2 ปีที่แล้ว

    I was just now thinking about adding some animations to my portfolio website and boom... There your video is! :D

  • @user-bx6ny3bb8p
    @user-bx6ny3bb8p 6 หลายเดือนก่อน

    Thankyou Kyle now I understand intersection observer, Now I fixed my bug on my scrollspy active nav with fix navbar with the help of threshold adjustments

  • @DannyFJhonstonB
    @DannyFJhonstonB 2 ปีที่แล้ว

    This is amazing!
    Thank you for sharing!

  • @joelspinelli3701
    @joelspinelli3701 2 ปีที่แล้ว

    Excellent video, thanks!

  • @nikhil6842
    @nikhil6842 ปีที่แล้ว

    Thanks Kyle, for such an informative video

  • @yahayaoyinkansola8258
    @yahayaoyinkansola8258 7 หลายเดือนก่อน

    Thank you so much for clarifiying this API for me. i totally get it now!

  • @bernarmay1950
    @bernarmay1950 ปีที่แล้ว

    This is a beautiful explanation👍. I love it

  • @crystallikecoding4457
    @crystallikecoding4457 7 หลายเดือนก่อน

    Thank you bro!!! Great job.

  • @SonuSindhu
    @SonuSindhu 2 ปีที่แล้ว

    Great explanation, really loved 😍

  • @technologyguy2325
    @technologyguy2325 2 ปีที่แล้ว

    This is what I was wondering about. Thanks kiel !

  • @busyrand
    @busyrand 2 ปีที่แล้ว

    Thank you for this... I always wondered what this was called and the best way to implement it.

  • @ElatedBlue
    @ElatedBlue 2 ปีที่แล้ว

    This is amazing, I definitely need to use this!

  • @andriilukianenko8106
    @andriilukianenko8106 2 ปีที่แล้ว

    Kyle, this content is awesome, thanks👍!

  • @tumon001
    @tumon001 ปีที่แล้ว +1

    Super Detailed Explanation

  • @waseksamin3216
    @waseksamin3216 2 ปีที่แล้ว

    This is soooo cool. I love it😍. Thank you for teaching

  • @funnylifestyle8174
    @funnylifestyle8174 2 ปีที่แล้ว +1

    I love how you explain complex staff in a nutshell👏👏👏

    • @sicfxmusic
      @sicfxmusic 2 ปีที่แล้ว

      Read his channel name 😁

  • @GnomePuntTrainerYT
    @GnomePuntTrainerYT 2 ปีที่แล้ว +1

    I see a lot of tutorials on the IntersectionObserver, but they mostly focus on animations other logic focused on the DOM. Meanwhile I find it's most basic and helpful use to be when using it to update the url if you have a vertical site with several anchor tags for different sections.

  • @rajatmalviya1097
    @rajatmalviya1097 ปีที่แล้ว +2

    You are great bro, nice explanation.

  • @dienazty8820
    @dienazty8820 11 หลายเดือนก่อน +2

    Just came across this! The entire video is gold, but the lazy loading and infinite scrolling that you cover starting at 11:31 is absolutely dynamite.

  • @ankitathombare2189
    @ankitathombare2189 2 ปีที่แล้ว

    Thanks Kyle. This video is awesome . Can you please make a video on virtual scrolling ?

  • @Miguel-sg7zh
    @Miguel-sg7zh วันที่ผ่านมา

    Thank you very much, you have helped me a lot ❤

  • @mg-programming
    @mg-programming ปีที่แล้ว

    One of the biggest fans.
    You are a legend

  • @yehudachanaringler417
    @yehudachanaringler417 2 ปีที่แล้ว

    Wow. Well done! Very informative

  • @darshakawimukthi9293
    @darshakawimukthi9293 9 หลายเดือนก่อน

    Thanks. it's a great explanation.

  • @michaelanteneh2862
    @michaelanteneh2862 7 หลายเดือนก่อน

    Your content is just 🔥🔥🔥 Keep it up bro

  • @alexeleave4551
    @alexeleave4551 2 ปีที่แล้ว

    Wow! What a cool thing, thanks for sharing us. Gonna try that. No longer have to subscribe for the scroll events on window, haha.

  • @sergiorey2049
    @sergiorey2049 2 ปีที่แล้ว

    Very well explained!

  • @minkhantsaw0428
    @minkhantsaw0428 2 ปีที่แล้ว +1

    My fav programing channel

  • @dennischacha6952
    @dennischacha6952 2 ปีที่แล้ว

    Dude thanks u so much. U explain quite well. Keep up the good work.👍👍👍👍👍

  • @PhilMinecraft
    @PhilMinecraft 2 ปีที่แล้ว

    this is what I need for months!!

  • @jakeave
    @jakeave 2 ปีที่แล้ว

    I'm just glad this is now supported in all the browsers. I've had to write fallbacks for Safari as recent as last year I think.

  • @catalinim4227
    @catalinim4227 2 ปีที่แล้ว

    Awesome, thanks! More please!

  • @rambabumudragalla8470
    @rambabumudragalla8470 2 ปีที่แล้ว

    Thanks for this awesome video, useful ❤️