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$compile.directive.Attributes.$observe()

$observe(key, fn);

Observes an interpolated attribute.

The observer function will be invoked once during the next $digest following compilation. The observer is then invoked whenever the interpolated value changes.

Parameters

Param	Type	Details
key	`string`	Normalized key. (ie ngAttribute) .
fn	`function(interpolatedValue)`	Function that will be called whenever the interpolated value of the attribute changes. See the Interpolation guide for more info.

Returns

function()

Returns a deregistration function for this observer.

Links:

https://docs.angularjs.org/api/ng/type/$compile.directive.Attributes#$observe

doc_AngularJS

2016-03-29 16:10:14

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