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I wanted to use on-drag-start as an attribute in AngularJS directive, called ngDraggable.
However, it seems not possible to have that attribute.
The following code is in pure javascript, and I can get on-drag-start as an attribute.
I think I can get any attribute regardless of attribute name.
<h1 id="tag1" on-drag-start="START" on-drag="DRAG" on-drag-end="END" >Hello Plunker!</h1>
Attributes in pure javasctipt DEMO: http://plnkr.co/edit/6iODSnf56KtwPFpoC7ck?p=preview
However, in the following code in AngularjS, I cannot get onDragStart as an attribute, but it is possible to get onDragBegin as an attribute.
<h1 id="tag1" ng-draggable on-drag="DRAG" on-drag-end="END"
on-drag-start="START" on-drag-begin="BEGIN">Hello Plunker!</h1>
Attributes in AngularJS directive DEMO: http://plnkr.co/edit/RxABAHHlxQJSSZz91CYW?p=preview
Of course, I can change my attribute name from on-drag-start to on-drag-begin, but I am curious.
My questions are;
on-drag-start as an attribute name? NOTE: I feel my question is not well formatted. Rewriting is welcomed.
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Note: When you create a directive, it is restricted to attribute and elements only by default. In order to create directives that are triggered by class name, you need to use the restrict option. The restrict option is typically set to: 'A' - only matches attribute name.
AngularJS directives are extended HTML attributes with the prefix ng- . The ng-app directive initializes an AngularJS application. The ng-init directive initializes application data. The ng-model directive binds the value of HTML controls (input, select, textarea) to application data.
Inside the directive it is creating an updateMap() method on the scope object in the directive and then calling the setFn() method which is mapped to the $scope. setDirectiveFn() method by this line: <map set-fn="setDirectiveFn(theDirFn)"></map> in your HTML and this line: scope: { setFn: '&' } in your directive.
This was broken in 1.2. It's best to rename the attributes to something else and move on.
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