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Migrating to the new version

From: Bootstrap 3: New Features and Migration

Video: Migrating to the new version

So, now it's time to install the new version of Bootstrap. If you're following along with my previous movie, you'll know that this is the Bootstrap 3.0 version of my website, and that I'm managing everything with Git. So, the first thing I need to do is switch to the right branch. So, I'm going to do a Git checkout, and check out my Bootstrap 2 branch and switch back over here and refresh. And this is the Bootstrap 2 version of the website. So the next thing we need to do is actually create a new branch. So, this is the way that I manage my projects and it's definitely something you may want to look into. I'm using a virtual control system called Git, and if you want to learn how to use that, we've got a great course called Git Essential Training with Kevin Skoglund, be sure you check that out.

Migrating to the new version

So, now it's time to install the new version of Bootstrap. If you're following along with my previous movie, you'll know that this is the Bootstrap 3.0 version of my website, and that I'm managing everything with Git. So, the first thing I need to do is switch to the right branch. So, I'm going to do a Git checkout, and check out my Bootstrap 2 branch and switch back over here and refresh. And this is the Bootstrap 2 version of the website. So the next thing we need to do is actually create a new branch. So, this is the way that I manage my projects and it's definitely something you may want to look into. I'm using a virtual control system called Git, and if you want to learn how to use that, we've got a great course called Git Essential Training with Kevin Skoglund, be sure you check that out.

So, what I want to do here is actually go through and create a separate branch and I'm going to call this branch bt2migration. So what I want to do now is check out this version of the website, so that any changes that I made will be made under this new branch. And I'll leave my Bootstrap 2 branch alone just in case I want to revert back to the original version of that branch. So I'll do git checkout, and then do bt2migration, and that should check me out to the new branch. If I do git branch, I can see all the branches of my project and I've got a bootstrap2 branch, a bootstrap3, and a bt2migration branch which is where I'm on.

Next thing I will do is, go to the Bootstrap website and click on this Download Bootstrap link. Now, you can install Bootstrap in a number of different ways. If you go to Getting started, it's going to show all the different ways you can download Bootstrap maybe using the original less files or using CDNs now with the new version of Bootstrap, but the easiest way to download is just to go to the top of the site and then click on Download Bootstrap. Now, what that will do is it'll give you a folder with three different folders inside it. Now, this is a little bit different than before. It's going to give you a css folder, a js folder, as well as a fonts folder.

Before, we used to have an img folder. So what I need to do is copy the fonts folder to the same place that my css and js folder are. Now, before, we used to have this img. You can get rid of it if you want to. I'm going to leave it there. It's not really hurting anything. For production, I might go ahead and delete it before I publish everything. So I'm going to grab this fonts folder and put it right here. Then I'm going to open up the js and css files. I usually use the minified versions of these files, so I'll delete the regular versions and rename these bootstrap.css and bootstrap.js.

And then I'm going to copy them into the folders with the current versions of those files. That means that I'm going to replace the JavaScript and the CSS from Bootstrap, so this is going to modify the way my site looks. Let's go ahead and do that. I'll drag this in here, and yes, I do want to replace. And then I will drag this one right here into the js folder, and yes, I do want to replace. And awesome. We are done with that part, so let me go ahead and switch back to my website, and I'll refresh, and we'll see what happens.

And, at this point, you're probably thinking either, Dear Lord, what have I done? My website is all screwed up. My columns are gone. Everything is gone. Or the other reaction you may have is, well, since I watched the rest of the movies in this course, I knew that some of this was coming. So this isn't that bad. It, the site looks pretty good, carousel looks a little different, the arrows don't quite look well, but they actually work. Like, if you click on these, you can see that the carousel itself is still working just fine. Let's check on the motiles, I'll click on one of these. sort of working, so we definitely have some work to do there.

I'm going to refresh the page, and if you click on these collapse menus, the accordions, they seem to be working just fine. So, that's actually pretty cool. I'll click on this full schedule thing, and these are mostly working. So, a lot of the JavaScript you'll find is going to work just fine. The buttons, actually, are working pretty well. Some of the styles are going to have to be redone, but overall, this isn't too bad. At least, it wasn't as bad as what I expected would happen when I just upgraded the library, based on what I had read about the new changes.

So we've got a good starting point, what we need to do now is focus on individual updates that we have to perform to the HTML to make this transition properly to the new version of Bootstrap.

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Bootstrap 3: New Features and Migration

21 video lessons · 5194 viewers

Ray Villalobos
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