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directive in module ng

The HTML specification does not require browsers to preserve the values of boolean attributes such as open. (Their presence means true and their absence means false.) If we put an Angular interpolation expression into such an attribute then the binding information would be lost when the browser removes the attribute. The ngOpen directive solves this problem for the open attribute. This complementary directive is not removed by the browser and so provides a permanent reliable place to store the binding information.

Directive Info

This directive executes at priority level 100.

Usage

as attribute:
```
<DETAILS
  ng-open="">
...
</DETAILS>
```

Arguments

Param	Type	Details
ngOpen	`expression`	If the expression is truthy, then special attribute "open" will be set on the element

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Licensed under the Creative Commons Attribution License 4.0.
https://code.angularjs.org/1.3.20/docs/api/ng/directive/ngOpen