Background image not showing up in AngularJS

Question

My custom background image is not showing up in AngularJS. Can't figure out why.

When I test $scope.setBackground in console, I get Object {background-image: "url(image.jpg)"}

Controller:

app.controller('backgroundImageCtrl', function($scope, $http) {
    $scope.setBackground = {
        'background-image' : 'url(image.jpg)'
    };
})

HTML:

<script type = "text/ng-template" id="/page.html" ng-controller="backgroundImageCtrl" ng-style="setBackground">
    <div>
    ...
    </div>
</script>

I think that it's because the background-image is on the template tag. It's should be on a inner element. — Mosh Feu
– Mosh Feu, Commented Apr 11, 2016 at 4:43
@MoshFeu that's exactly it, I put the controller and ng-style into the div and works now — kevin_b
– kevin_b, Commented Apr 12, 2016 at 19:45
That's because you can't style script tag. Also, as I know, the template engine take the inner content of the script tag and put it wherever it should. So, those attributes ng-controller and ng-style will not affect. — Mosh Feu
– Mosh Feu, Commented Apr 13, 2016 at 7:54

Alexander Elgin · Accepted Answer · 2016-04-11 04:57:04Z

1

var app = angular.module('myApp', []);

app.controller("myCtrl", function ($scope) {
    $scope.style= {};
    $scope.setBackground = function (date) {
      $scope.style = {
        'background-image': 'url("https://www.gravatar.com/avatar/10821c595d354140ee66f2a04fb11b7c?s=32&d=identicon&r=PG&f=1")'
      }
    };
});

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.8/angular.min.js"></script>

<div ng-app="myApp">
  <div ng-controller="myCtrl">
    <button ng-click="setBackground()">set background</button>
    <div ng-style="style">see the background</div>
  </div>
</div>

answered Apr 11, 2016 at 4:57

Alexander Elgin

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Comments

Mosh Feu · Accepted Answer · 2016-04-13 07:54:44Z

1

Simple solution as suggested by @Mosh Feu, simply place ng-controller="backgroundImageCtrl" and ng-style="setBackground" in an inner div

<script type = "text/ng-template" id="/page.html">
    <div ng-controller="backgroundImageCtrl" ng-style="setBackground">
    ...
    </div>
</script>

edited Apr 13, 2016 at 7:54

Mosh Feu

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answered Apr 12, 2016 at 19:50

kevin_b

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Comments

Mosh Feu · Accepted Answer · 2016-04-13 07:55:06Z

you should use setBackground in div that use your template. try like this.

<div ng-include src="/page.html" ng-style="setBackground"></div>

var mainApp = angular.module("mainApp", ['ngRoute']);
mainApp.config(['$routeProvider', function($routeProvider) {
  $routeProvider.

  when('/addStudent', {
    templateUrl: 'addStudent.htm',
    controller: 'AddStudentController'
  }).

  when('/viewStudents', {
    templateUrl: 'viewStudents.htm',
    controller: 'ViewStudentsController'
  }).

  otherwise({
    redirectTo: '/addStudent'
  });
}]);

mainApp.controller('AddStudentController', function($scope) {
  $scope.message = "This page will be used to display add student form";
  $scope.setBackground = {
    'background-image' : 'url(https://www.gravatar.com/avatar/10821c595d354140ee66f2a04fb11b7c?s=32&d=identicon&r=PG&f=1)'
  };
});

mainApp.controller('ViewStudentsController', function($scope) {
  $scope.message = "This page will be used to display all the students";
  $scope.setBackground = {
    'background-image' : 'url(https://www.gravatar.com/avatar/6755dcaf172d19cb9976bedcc56cfed3?s=48&d=identicon&r=PG&f=1)'
  };
});

<script src = "http://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
<script src = "http://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular-route.min.js"></script>
<div ng-app = "mainApp">
  <p><a href = "#addStudent">Add Student</a></p>
  <p><a href = "#viewStudents">View Students</a></p>
  <div ng-view ng-style="setBackground"></div>

  <script type="text/ng-template" id="addStudent.htm">
    <h2> Add Student </h2>
    {{message}}
  </script>

  <script type = "text/ng-template" id="viewStudents.htm">
    <h2> View Students </h2>
    {{message}}
  </script>
</div>

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