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[skip ci] Highlight not compiling ce-adapter

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Daniel Freedman
2017-03-21 14:35:26 -07:00
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commit 87d9a337dd
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@@ -63,7 +63,9 @@ elements, etc.). Here's an example:
## `custom-elements-es5-adapter.js`
According to the spec, Custom Elements must be ES6 classes (https://html.spec.whatwg.org/multipage/scripting.html#custom-element-conformance). Since most projects need to support a wide range of browsers that don't necessary support ES6, it may make sense to compile your project to ES5. However, ES5-style custom element classes will **not** work with native Custom Elements because ES5-style classes cannot properly extend ES6 classes, like `HTMLElement`.
To work around this, load `custom-elements-es5-adapter.js` before declaring new Custom Elements. **The adapter must NOT be compiled.**
To work around this, load `custom-elements-es5-adapter.js` before declaring new Custom Elements.
**The adapter must NOT be compiled.**
```html
<!-- Load Custom Elements es5 adapter -->