I have noticed in some directives return statements are added in the link
function on a directive. in the example below it is a call to $watch but I
have seen other things like scopes etc. Or in a controller where the last
call to set a scope variable is returned. Is this necessary? what is this
used for?
angular.module('angular-flot', []).directive('flot', function() {
return {
restrict: 'EA',
template: '<div></div>',
scope: {
dataset: '=',
options: '='
},
link: function(scope, element, attributes) {
...
...
...
* return scope.$watch('options', onOptionsChanged, true);*
}
};
});
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