In most simple cases, you'll probably just want to use the webcomponents-loader.js script. You might choose to bite the bullet and load the bundle or sd-ce polyfills in all cases, which would save your users a round-trip to the server, which is a popular choice in production environments.
![unpkg shim.min.js unpkg shim.min.js](https://redstapler.co/wp-content/uploads/2021/01/introjs-tutorial-8.jpg)
You can also load specific polyfills individually if you know exactly what you need: import './superlative-input.js' const template = html` ` īy the way, I just discovered that there's a falafel emoji ?, which I think technically brings the world one step closer to perfection.
Unpkg shim.min.js install#
You can load the scripts via CDN as we've done above, or you can bundle them with the rest of your app code by installing to your project: npm install -save This script checks the users browser's UA string, and only loads the polyfill or set of polyfills that are needed. Loading the Polyfillsįor most users, the easiest thing to do is pop a script tag sourcing the webcomponents-loader.js script into your page's head, before loading any component files.
Unpkg shim.min.js how to#
So don't just sit there, read on! We'll learn together how to load the polyfills, how to write custom elements that leverage them correctly, and how to avoid known issues and pitfalls with the polyfills.
![unpkg shim.min.js unpkg shim.min.js](https://i.ytimg.com/vi/RCtiBpI_Um0/hqdefault.jpg)
The polyfills will also work on older versions of Chrome and Firefox, and on Microsoft Edge, until they wake up and implement the two most popular tickets on their uservoice board The good people at Google's web components team had you in mind when they created the webcomponentsjs polyfills, which let you target your apps to IE11, which I'm sure is the reason you wake up in the morning. Sometimes it feels like the cooler the web platform feature (I'm looking at you, scroll-snap!), the less likely it is to be widely supported.īut fear not, friends! You can dive in to the web components world today without fear of leaving users on older browsers behind. Sweet!īut web developers who have been in this joint for longer than a minute know that it's not always that simple. It's a no-brainer that web component-based libraries and apps are going to quickly grow in popularity, since as of late October of 2018, web components will be natively supported in the latest versions of Chrome, Firefox and Safari. And if you're my favourite brand of nerd, the promise of cross-browser, reusable, interoperable components is heady stuff.
![unpkg shim.min.js unpkg shim.min.js](https://reffect.co.jp/wp-content/uploads/2019/11/NProgress-1.png)
Did you know that the web has its own native component module that doesn't require the use of any libraries? True story! You can write, publish, and reuse single-file components that will work in any * good browser and in any framework (if that's your bag). Component-based UI is all the rage these days.