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Angular directives - when and how to use compile, controller, pre-link and post-link [closed]
When writing an Angular directive, one can use any of the following functions to manipulate the DOM behaviour, contents and look of the element on which the directive is declared:
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Select text on input focus
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The way to do this in Angular is to create a custom directive which does the autoselect for you.
module.directive('selectOnClick', ['$window', function ($window) {
return {
restrict: 'A',
link: function (scope, element, attrs) ...
Checking if object is empty, works with ng-show but not from controller?
... here, you can use null or undefined:
$scope.items = null;
In this way, ng-show should keep working, and in your controller you can just do:
if ($scope.items) {
// items have value
} else {
// items is still null
}
And in your $http callbacks, you do the following:
$http.get(..., func...
How to set an iframe src attribute from a variable in AngularJS
I'm trying to set the src attribute of an iframe from a variable and I can't get it to work...
6 Answers
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Easiest way to pass an AngularJS scope variable from directive to controller?
What is the easiest way to pass an AngularJS scope variable from directive to controller? All of the examples that I've seen seem so complex, isn't there a way I can access a controller from a directive, and set one of it's scope variables?
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Using comma as list separator with AngularJS
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You could do it this way:
<b ng-repeat="email in friend.email">{{email}}{{$last ? '' : ', '}}</b>
..But I like Philipp's answer :-)
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im...
Sorting dropdown alphabetically in AngularJS
I'm populating a dropdown through the use of ng-options which is hooked to a controller that in turn is calling a service. Unfortunately the data coming in is a mess and I need to be able to sort it alphabetically.
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$on and $broadcast in angular
...hem:
$scope.$on('scanner-started', function(event, args) {
var anyThing = args.any;
// do what you want to do
});
Documentation for this inside the Scope docs.
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How to highlight a current menu item?
Does AngularJS help in any way with setting an active class on the link for the current page?
29 Answers
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Custom sort function in ng-repeat
I have a set of tiles that display a certain number depending on which option is selected by the user. I would now like to implement a sort by whatever number is shown.
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