The docs haven't been updated with regards to this yet,
right? http://www.polymer-project.org/docs/polymer/polymer.html#attrreflection
Clayton
Em segunda-feira, 21 de abril de 2014 12h02min02s UTC-6, Steve Orvell
escreveu:
>
> In the latest polymer release, we've made reflection of property values to
> attribute values opt-in. We've done this mainly as a performance
> optimization. Published properties maintain their other previous behaviors:
> they are bound as properties and corresponding attribute values are
> deserialized and set to property values.
>
> To cause a property to reflect to an attribute, use the publish block and
> set a property value that's an object literal with a value property
> specifying the property's default value and a reflect property with the
> value set to true. Here's an example:
>
> publish: {
> // won't reflect to an attribute
> bigText: '',
> // will reflect to an attribute
> active: {value: false, reflect: true}
> }
>
> Here's some more information:
>
> Typically it's important to reflect to attributes only properties that
> will be used for styling. Previously Polymer did this for all published
> properties, and this led to unnecessary work. Additionally, there are some
> properties that simply don't make sense to reflect to attributes. In the
> example above, if the bigText property was set to a 10k character string,
> we really would not want to reflect that to an attribute. This is why we've
> decided to make property reflection to attributes opt-in.
>
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