Web Components: What, Why, How, When

@stopsatgreen WEB COMPONENTS What, Why, How, When #LWSROOTS, 24/11

@stopsatgreen @stopsatgreen Peter Gasston broken-links.com

@stopsatgreen WEB COMPONENTS

@stopsatgreen ‘Demeaning’ ‘Condescending’ ‘A bit silly’

@stopsatgreen

@stopsatgreen WHAT?

@stopsatgreen “The component model for the Web.”

@stopsatgreen A suite of technologies for making reusable UI controls
or services.

@stopsatgreen Fundamental change to the way we build the Web.

@stopsatgreen

@stopsatgreen ® The Lego Group

@stopsatgreen Custom Elements

@stopsatgreen Shadow DOM

@stopsatgreen HTML Imports

@stopsatgreen

@stopsatgreen Templates

@stopsatgreen WHY?

@stopsatgreen

@stopsatgreen OOCSS BEM Java Applets Dynamic Drive React Ember jQuery
UI Bootstrap Web Components

@stopsatgreen W3C WHATWG

@stopsatgreen

@stopsatgreen • jQuery : querySelector(), classList • Modernizr : @supports
• Sass : --custom-properties()

@stopsatgreen #extendthewebforward http://extensiblewebmanifesto.org/

@stopsatgreen <flex-carousel> <prev-next> <show-position> <open-lightbox>

@stopsatgreen http://msdn.microsoft.com/library/ie/ms531426.aspx

@stopsatgreen

@stopsatgreen meaningful naming + modularisation + encapsulation + sharing =
web components

@stopsatgreen HOW?

@stopsatgreen <indiana-jones></indiana-jones> document.registerElement('indiana-jones');

@stopsatgreen proto = Object.create(HTMLElement.prototype); proto.whip = function(…); document.registerElement('indiana-jones',  { prototype:
proto }); indy = document.querySelector('indiana-jones');  indy.whip();

@stopsatgreen <button is="indiana-jones"></button> proto = Object.create(HTMLButtonElement.prototype); proto.whip = function(…); document.registerElement('indiana-jones',
{ prototype: proto, extends: 'button' });

@stopsatgreen

@stopsatgreen var root = foo.createShadowRoot();  root.innerHTML = '<div>…</div>';

@stopsatgreen <indiana-jones>  <template id="doom">…</template>  <script>…</script>  </indiana-jones>

@stopsatgreen <link rel="import" href="button-super.htm">

@stopsatgreen http://leafletjs.com/

@stopsatgreen <leaf-map lat="33.9186805" lon="8.1198406"></leaf-map> <link rel="import" href="leaflet-map.htm">

@stopsatgreen Everything Useful Useful & well-made Crap http://en.wikipedia.org/wiki/Sturgeon%27s_law

@stopsatgreen http://addyosmani.com/first/

@stopsatgreen http://www.paciellogroup.com/blog/2014/09/web-components-punch-list/

@stopsatgreen

@stopsatgreen /path/to/library.min.js  /path/to/a/library.min.js

@stopsatgreen <link rel="import" href="//foo.com/btn-a.htm">  <link rel="import" href="//bar.com/btn-b.htm">  <link rel="import" href="//baz.com/btn-c.htm">

@stopsatgreen WHEN?

@stopsatgreen Browser Custom Elements Shadow DOM HTML Imports Template Who
knows? ‘Under consideration’ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ http://jonrimmer.github.io/are-we-componentized-yet/

@stopsatgreen

Platform.js (polyfill) Polymer Core Bosonic Core Elements Brick Paper Elements
Elements polymer-project.org | brick.mozilla.io | bosonic.github.io | webcomponents.org Standard

@stopsatgreen Web Components are for you to drive the future
of the web. Please drive responsibly.

@stopsatgreen THE END

@stopsatgreen Unless otherwise stated, all photos in this deck are
copyright George Lucas or Mickey Mouse or someone and used without permission.

Web Components: What, Why, How, When

Web Components: What, Why, How, When

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