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fix README.md

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Димон Дурак
2017-01-05 21:38:09 +03:00
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@@ -135,7 +135,7 @@ Below are the general steps for defining a custom element using this new syntax:
* Implement a static `template` getter to provide a template to stamp inside the element. By default the first `<template>` found in a `<dom-module>` with an `id` matching the element's `is` property is used.
* `listeners` and `hostAttributes` have been removed from element metadata; they can be installed how and when needed but for convenience `ensureAttribute` is available.
Note that `Polymer.Element` provides a cleaner base class void of a lot of sugared utility API that present on elements defined with `Polymer()`, such as `fire`, `transform`, etc. With web platform surface area becoming far more stable across browsers, we intend to hew towards sugaring less and embracing the raw platform API more. So when using `Polymer.Element`, instead of using the legacy `this.fire('some-event')` API, simply use the equivalent platform API's such as `this.dispatchEvent(new CustomEvent('some-event'), {bubbles: true})`. #usetheplatform
Note that `Polymer.Element` provides a cleaner base class void of a lot of sugared utility API that present on elements defined with `Polymer()`, such as `fire`, `transform`, etc. With web platform surface area becoming far more stable across browsers, we intend to hew towards sugaring less and embracing the raw platform API more. So when using `Polymer.Element`, instead of using the legacy `this.fire('some-event')` API, simply use the equivalent platform API's such as `this.dispatchEvent(new CustomEvent('some-event', {bubbles: true})`. #usetheplatform
See below for a visual guide on migrating Polymer 1.0's declarative syntax to the ES6 class syntax in Polymer 2.0: