Dec 24, 2024 · check what version of react they are using and you are using each version of react works slighly differently

Oct 30, 2018 · Codepen is for simple stuff, the editor is bad, it doesn’t have auto-complete or format on save. I personally use visual studio code to do all my projects and just copy-paste into codepen to get a quick url to insert into my project challenges.

Apr 19, 2017 · CodePen Projects offers two preprocessing languages that can do HTML includes: Pug and Nunjucks. In Pug, you use include file.pug (where `file.pug` is the file path to any other Pug file) and it will grab that file and include it. This makes it easy to piece together parts of files into complete HTML documents, making multi-page sites much easier.

Jun 19, 2012 · More big news this week: We've launched CodePen into a public beta! It's a site for building stuff from HTML, CSS and JavaScript. Perhaps for yourself to

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Jun 30, 2017 · My guess is that in CodePen, you created a new ‘project’ instead of a new ‘pen’. The suggestions above assumed you created a pen. Try going to ‘create’ then ‘new pen’. Also, most of the JavaScript videos on freeCodeCamp YouTube have a link in the description to the code on CodePen.

Mar 2, 2020 · You need to switch the load order of the scripts. Load react first, then react-dom. On the JS tab in the Codepen settings, you can grab the icon on the left of the script and drag its position up or down.

Jan 10, 2020 · Editor’s Note: Chrome is prototyping a new feature for creating carousels directly in CSS, including scroll buttons and scroll markers for navigating between slides. Get all the information in this newer article. It’s kind of amazing how far HTML and CSS will take you when building a carousel/slideshow. Setting some boxes in a horizontal row with CSS Flexbox is …

Oct 27, 2024 · Hello everyone, Is it possible to switch to a mobile view on CodePen? I’m coding from an iPad and working on making my page responsive, so I’d like to preview it in both mobile and laptop views. If anyone knows how to set this up in CodePen, please let me know. Thanks!

Feb 17, 2018 · Codepen projects are a new interface that allow for things like separating JavaScript into separate files and using complex build systems. A pen is much simpler, providing just one spot for HTML, CSS, and JavaScript each.