AngularJS - Controller As
How do I make an angularjs - controller as?
I wrote a simple guide to understand better the "Controller as" method, just for angular beginners!. What is a angularjs - controller as? How do you make a angularjs - controller as? This script and codes were developed by Lorenzo D'Ianni on 29 September 2022, Thursday.
AngularJS - Controller As Previews
AngularJS - Controller As - Script Codes HTML Codes
<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>AngularJS - Controller As</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css"> <link rel="stylesheet" href="css/style.css">
</head>
<body> <div ng-app="MyApp"> <h1>AngularJS<br>Controller as</h1> <div class="container"> <div class="explain"> <div class="explain-title">$scope could be a problem, why?</div> <div class="explain-content"> <p>Each controller has his own $scope.title, but what if we want to retrieve a title from a parent controller?</p> <pre ng-non-bindable><code><div class="box" ng-controller="MainCtrl"> <div class="box-title">MainCtrl</div> <div class="box-title--bind">{{title}}</div> <div class="box" ng-controller="SecondCtrl"> <div class="box-title">SecondCtrl</div> <div class="box-title--bind">{{title}}</div> <div class="box-title--bind">{{title}}</div> <div class="box" ng-controller="ThirdCtrl"> <div class="box-title">ThirdCtrl</div> <div class="box-title--bind">{{title}}</div> <div class="box-title--bind">{{title}}</div> <div class="box-title--bind">{{title}}</div> </div> <c><!-- // ThirdCtrl --></c> </div> <c><!-- // SecondCtrl --></c>
</div> <c><!-- // MainCtrl --></c> </code></pre> </div> </div> <div class="box" ng-controller="MainCtrl"> <div class="box-title">MainCtrl</div> <div class="box-title--bind">{{title}}</div> <div class="box" ng-controller="SecondCtrl"> <div class="box-title">SecondCtrl</div> <div class="box-title--bind">{{title}}</div> <div class="box-title--bind">{{title}}</div> <div class="box" ng-controller="ThirdCtrl"> <div class="box-title">ThirdCtrl</div> <div class="box-title--bind">{{title}}</div> <div class="box-title--bind">{{title}}</div> <div class="box-title--bind">{{title}}</div> </div> </div> </div> </div> <div class="container"> <div class="explain"> <div class="explain-title">Dirty solution: $scope and $parent.$scope</div> <div class="explain-content"> <p> Is $parent.$scope a solution? Yes and no at the same time. Can you image it with 4, 5 or 6 nested controllers with a lot of tags and nested tags? It is impossible to figure out which is the controller that refers to that particular $scope or $parent.$scope. </p> <pre ng-non-bindable><code>
<div class="box" ng-controller="MainCtrl"> <div class="box-title">MainCtrl</div> <div class="box-title--bind">{{title}}</div> <div class="box" ng-controller="SecondCtrl"> <div class="box-title">SecondCtrl</div> <div class="box-title--bind">{{$parent.title}}</div> <div class="box-title--bind">{{title}}</div> <div class="box" ng-controller="ThirdCtrl"> <div class="box-title">ThirdCtrl</div> <div class="box-title--bind">{{$parent.$parent.title}}</div> <div class="box-title--bind">{{$parent.title}}</div> <div class="box-title--bind">{{title}}</div> </div> <c><!-- // ThirdCtrl --></c> </div> <c><!-- // SecondCtrl --></c>
</div> <c><!-- // MainCtrl --></c> </code></pre> </div> </div> <div class="box" ng-controller="MainCtrl"> <div class="box-title">MainCtrl</div> <div class="box-title--bind">{{title}}</div> <div class="box" ng-controller="SecondCtrl"> <div class="box-title">SecondCtrl</div> <div class="box-title--bind">{{$parent.title}}</div> <div class="box-title--bind">{{title}}</div> <div class="box" ng-controller="ThirdCtrl"> <div class="box-title">ThirdCtrl</div> <div class="box-title--bind">{{$parent.$parent.title}}</div> <div class="box-title--bind">{{$parent.title}}</div> <div class="box-title--bind">{{title}}</div> </div> </div> </div> </div> <div class="container"> <div class="explain" ng-init="tab = 1"> <div class="explain-title">Perfect solution: Controller as</div> <div class="explain-content"> <p>You have to declare "Controller as ctrl" and also in your .js use "this" instead $scope to bind the view/model! Save your time without search the parent controller, write immediately what you need, it's easy and fast.</p> <nav class="tabs-triggers"> <a href="#!" class="tab-trigger" ng-click="tab = 1" ng-class="{'is-active': tab === 1}">HTML</a> <a href="#!" class="tab-trigger" ng-click="tab = 2" ng-class="{'is-active': tab === 2}">Javascript</a> </nav> <div ng-show="tab === 1"> <pre ng-non-bindable><code>
<div class="box" ng-controller="MainCtrl <b>as main</b> "> <div class="box-title">MainCtrl</div> <div class="box-title--bind">{{<u>main</u>.title}}</div> <div class="box" ng-controller="SecondCtrl <b>as second</b> "> <div class="box-title">SecondCtrl</div> <div class="box-title--bind">{{<u>main</u>.title}}</div> <div class="box-title--bind">{{<u>second</u>.title}}</div> <div class="box" ng-controller="ThirdCtrl <b>as third</b> "> <div class="box-title">ThirdCtrl</div> <div class="box-title--bind">{{<u>main</u>.title}}</div> <div class="box-title--bind">{{<u>second</u>.title}}</div> <div class="box-title--bind">{{<u>third</u>.title}}</div> </div> <c><!-- // ThirdCtrl --></c> </div> <c><!-- // SecondCtrl --></c>
</div> <c><!-- // MainCtrl --></c> </code></pre> </div> <div ng-show="tab === 2"> <pre ng-non-bindable><code>
angular .module('MyApp', []) .controller('MainCtrl', [function MainCtrl(){ var main = this; main.title = "Main Ctrl Title" }]) .controller('SecondCtrl', [function SecondCtrl(){ var second = this; second.title = "Second Ctrl Title" }]) .controller('ThirdCtrl', [function ThirdCtrl(){ var third = this; third.title = "Third Ctrl Title" }]); </code></pre> </div> </div> </div> <div class="box" ng-controller="MainCtrl as main"> <div class="box-title">MainCtrl</div> <div class="box-title--bind">{{main.title}}</div> <div class="box" ng-controller="SecondCtrl as second"> <div class="box-title">SecondCtrl</div> <div class="box-title--bind">{{main.title}}</div> <div class="box-title--bind">{{second.title}}</div> <div class="box" ng-controller="ThirdCtrl as third"> <div class="box-title">ThirdCtrl</div> <div class="box-title--bind">{{main.title}}</div> <div class="box-title--bind">{{second.title}}</div> <div class="box-title--bind">{{third.title}}</div> </div> </div> </div> </div> <h2>Lorenzo D'Ianni</h2>
</div> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.3/angular.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/8.7/highlight.min.js"></script> <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/8.7/styles/googlecode.min.css">
<script>hljs.initHighlightingOnLoad();</script> <script src="js/index.js"></script>
</body>
</html>
AngularJS - Controller As - Script Codes CSS Codes
@import url(https://fonts.googleapis.com/css?family=Roboto:300,400,500);
*, *:before, *:after { margin: 0; padding: 0; -webkit-overflow-scrolling: touch; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; box-sizing: border-box;
}
body { font-family: 'Roboto', sans-serif; font-weight: 400; font-size: 14px; margin: 0 auto; padding: 32px 5%; border-top: 4px solid #03A9F4; border-bottom: 8px solid #03A9F4; color: rgba(0, 0, 0, 0.73);
}
h1, h2 { text-align: center;
}
h1 { font-size: 300%; font-weight: 300; line-height: 120%; color: #03A9F4;
}
h2 { font-size: 12px; text-transform: uppercase; font-weight: 500; opacity: .3; margin: 72px 0 32px; letter-spacing: 8px;
}
.container { position: relative; padding: 48px 0; border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}
.container:before, .container:after { content: ""; display: block;
}
.container:after { clear: both;
}
.container:before { position: absolute; bottom: 0; left: 50%; width: 12px; height: 12px; background-color: #efefef; -webkit-transform: translate(-50%, 50%); transform: translate(-50%, 50%); border-radius: 50%;
}
.box { padding: 24px; margin: 48px 0 12px; border-radius: 3px; box-shadow: inset 0 0 1px 0px rgba(0, 0, 0, 0.08), inset 0 0 5px 0px rgba(0, 0, 0, 0.08), inset 0 0 20px 0px rgba(0, 0, 0, 0.05);
}
.box-title, .explain-title { font-weight: 500; font-size: 16px; line-height: 130%; padding-bottom: 8px; margin-bottom: 8px; border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}
.box-title--bind { margin-bottom: 12px;
}
.box > .box { float: none; width: 100%; display: inline-block; vertical-align: top; margin: 12px 0 0; background-color: rgba(0, 0, 0, 0.04);
}
.box > .box-title--bind:last-child { margin-bottom: 0;
}
.explain { padding: 0;
}
.explain-title { border-bottom-color: #03A9F4;
}
.explain-content { line-height: 150%;
}
.explain pre { position: relative; font-family: monospace; font-size: 12px; line-height: normal; overflow: auto; opacity: 0.73;
}
.explain pre code { padding-bottom: 0 !important;
}
.explain pre b, .explain pre u { position: relative; z-index: 1;
}
.explain pre b:before, .explain pre u:before { content: ""; position: absolute; z-index: -1; top: 50%; left: 50%; width: 120%; height: 120%; -webkit-transform: translate(-50%, -50%); transform: translate(-50%, -50%);
}
.explain pre b:before { width: 120%; background-color: red; border-radius: 100px;
}
.explain pre b *, .explain pre b *:before, .explain pre b *:after { color: white !important;
}
.explain pre u { text-decoration: none !important;
}
.explain pre u:before { width: 100%; border-bottom: 2px solid red;
}
.explain pre c *, .explain pre c *:before, .explain pre c *:after { color: rgba(128, 128, 128, 0.5);
}
.tabs-triggers { font-size: 0; text-align: center;
}
.tabs-triggers .tab-trigger { position: relative; z-index: 2; font-size: 14px; display: inline-block; vertical-align: top; width: 50%; cursor: pointer; padding: 8px; text-decoration: none; color: inherit; border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}
.tabs-triggers .tab-trigger.is-active { color: #03A9F4; border-bottom: 1px solid #03A9F4;
}
.tabs-triggers .tab-trigger.is-active:after { position: absolute; content: ""; bottom: 0; left: 50%; width: 0; height: 0; border-left: 10px solid transparent; border-right: 10px solid transparent; border-top: 6px solid #03A9F4; -webkit-transform: translate(-50%, 100%); transform: translate(-50%, 100%);
}
@media screen and (min-width: 800px) { h1 { font-size: 500%; letter-spacing: -2px; } .box, .explain { float: left; } .box { width: 40%; margin: 0; } .explain { width: 60%; padding: 24px 5% 0; }
}
AngularJS - Controller As - Script Codes JS Codes
angular.module('MyApp', [])
.controller('MainCtrl', ['$scope', function MainCtrl($scope){ var main = this; main.title = "Main Ctrl Title" $scope.title = "Main Ctrl Title"
}])
.controller('SecondCtrl', ['$scope', function SecondCtrl($scope){ var second = this; second.title = "Second Ctrl Title" $scope.title = "Second Ctrl Title"
}])
.controller('ThirdCtrl', ['$scope', function ThirdCtrl($scope){ var third = this; third.title = "Third Ctrl Title" $scope.title = "Third Ctrl Title"
}]);
| Developer | Lorenzo D'Ianni |
| Username | lorenzodianni |
| Uploaded | September 29, 2022 |
| Rating | 3 |
| Size | 5,584 Kb |
| Views | 12,144 |
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