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Bootstrap 3: New Features and Migration

Fixing carousels


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Bootstrap 3: New Features and Migration

with Ray Villalobos

Video: Fixing carousels

Now we're upgrading from Bootstrap 2 to Bootstrap 3, and one of the things that doesn't look quite right is the Carousel. That's because the new Carousels are coded slightly differently, so we need to go ahead and fix that. Let's go into our code and you'll notice that I've placed the Carousel inside a PHP component called snippet-carousel, and that's in the underscore folder, in the PHP folder, and it's called snippet-carousel, so all the code for it is right here. Let me go ahead and hide this sidebar. Compare this with the new code for carousel.

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Bootstrap 3: New Features and Migration
46m 57s Intermediate Aug 08, 2013

Viewers: in countries Watching now:

Bootstrap 3 is here, and it supports mobile design and responsive CSS better than ever. Join author Ray Villalobos for an overview of the new classes, mobile-first approach, and other enhancements in Bootstrap 3, and learn how to migrate your sites and files to the new framework. Find out about the new installation options, updates to grids and scaffolding, and changes to the handling of type, images, and JavaScript. Then learn to integrate the new list group and panel components into your workflow. The course closes with a look at migrating a sample site from Bootstrap 2.3 to 3.0, from replacing template files to tweaking your grid, navigation, and images.

Topics include:
  • Installing Bootstrap 3
  • Using the new grid systems
  • Working with typography
  • Understanding the responsive class updates
  • Using panels and list groups
  • Migrating from Bootstrap 2.3 to Bootstrap 3.0
Subjects:
Web Responsive Design Web Design Web Development
Software:
Bootstrap
Author:
Ray Villalobos

Fixing carousels

Now we're upgrading from Bootstrap 2 to Bootstrap 3, and one of the things that doesn't look quite right is the Carousel. That's because the new Carousels are coded slightly differently, so we need to go ahead and fix that. Let's go into our code and you'll notice that I've placed the Carousel inside a PHP component called snippet-carousel, and that's in the underscore folder, in the PHP folder, and it's called snippet-carousel, so all the code for it is right here. Let me go ahead and hide this sidebar. Compare this with the new code for carousel.

We'll go to the Bootstrap site, click on JavaScript, and then go down to Carousel. You'll see that the code is pretty much the same, except, that now we have to use these different chevrons, instead of the right arrows and left arrows that we used before. So what I'm going to do is, I'm going to grab this right here, it's this span with a class of glyphicon and glyphicon-chevron-left, and I'm going to copy that, and switch over to our code. And all you gotta do is replace this part right here with the new chevron, and I'll also replace this one.

I'll paste the new code. And this is just going to be the right arrow. So we'll save this and go back into our page. And I'm going to refresh, and you'll see that this was working just fine before. The cool thing was that it wasn't really the functionality of Bootstrap that was broken, it's just a little bit of the code and you'll find that when going from Bootstrap 2 to Bootstrap 3 a lot of the changes are going to be this minor. Another thing that you may watch out for is, if you're using a class of hide SM or some other class that hides the Carousel at a different size, you don't have to worry about that now because the carousel will automatically now hide at smaller sizes.

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