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Insert HTML into view from AngularJS controller

Is it possible to create an HTML fragment in an AngularJS controller and have this HTML shown in the view?

This comes from a requirement to turn an inconsistent JSON blob into a nested list of id: value pairs. Therefore the HTML is created in the controller and I am now looking to display it.

I have created a model property, but cannot render this in the view without it just printing the HTML.


Update

It appears that the problem arises from angular rendering the created HTML as a string within quotes. Will attempt to find a way around this.

Example controller :

var SomeController = function () {

    this.customHtml = '<ul><li>render me please</li></ul>';
}

Example view :

<div ng:bind="customHtml"></div>

Gives :

<div>
    "<ul><li>render me please</li></ul>"
</div>
over 4 years ago · Santiago Trujillo
17 Respuestas
Responde la pregunta

0

Just simple use [innerHTML], like below:

<div [innerHTML]="htmlString"></div>

Before you needed to use ng-bind-html...

over 4 years ago · Santiago Trujillo Denunciar

0

Use

 <div [innerHTML]="customHtml"></div>

and

 angular.module('MyApp', ['ngSanitize']);

For that you need to include angular-sanitize.js , for example, in your html file with

 <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.0/angular-sanitize.js"></script>
over 4 years ago · Santiago Trujillo Denunciar

0

Here's a simple (and unsafe) bind-as-html directive, without the need for ngSanitize:

myModule.directive('bindAsHtml', function () {
    return {
        link: function (scope, element, attributes) {
            element.html(scope.$eval(attributes.bindAsHtml));
        }
    };
});

Note that this will open up for security issues, if binding untrusted content.

Use like so:

<div bind-as-html="someHtmlInScope"></div>
over 4 years ago · Santiago Trujillo Denunciar

0

here is the solution make a filter like this

.filter('trusted',
   function($sce) {
     return function(ss) {
       return $sce.trustAsHtml(ss)
     };
   }
)

and apply this as a filter to the ng-bind-html like

<div ng-bind-html="code | trusted">

and thank to Ruben Decrop

over 4 years ago · Santiago Trujillo Denunciar

0

Working example with pipe to display html in template with Angular 4.

1.Crated Pipe escape-html.pipe.ts

`

import { Pipe, PipeTransform } from '@angular/core';
import { DomSanitizer } from '@angular/platform-browser';
@Pipe({name : 'keepHtml', pure : false})
export class EscapeHtmlPipe implements PipeTransform{
 constructor(private sanitizer : DomSanitizer){
 }
 transform(content){
  return this.sanitizer.bypassSecurityTrustHtml(content);
 }
}

` 2. Register pipe to app.module.ts

 import {EscapeHtmlPipe} from './components/pipes/escape-html.pipe';
    declarations: [...,EscapeHtmlPipe]
  1. Use in your template

        <div class="demoPipe"  [innerHtml]="getDivHtml(obj.header) | keepHtml">

  2. getDivHtml() { //can return html as per requirement}

    Please add appropriate implementation for getDivHtml in associated component.ts file.

over 4 years ago · Santiago Trujillo Denunciar

0

For Angular 1.x, use ng-bind-html in the HTML:

<div ng-bind-html="thisCanBeusedInsideNgBindHtml"></div>

At this point you would get a attempting to use an unsafe value in a safe context error so you need to either use ngSanitize or $sce to resolve that.

$sce

Use $sce.trustAsHtml() in the controller to convert the html string.

 $scope.thisCanBeusedInsideNgBindHtml = $sce.trustAsHtml(someHtmlVar);

ngSanitize

There are 2 steps:

  1. include the angular-sanitize.min.js resource, i.e.:

    <script src="lib/angular/angular-sanitize.min.js"></script>
    
  2. In a js file (controller or usually app.js), include ngSanitize, i.e.:

    angular.module('myApp', ['myApp.filters', 'myApp.services', 
        'myApp.directives', 'ngSanitize'])
    
over 4 years ago · Santiago Trujillo Denunciar

0

I have tried today, the only way I found was this

<div ng-bind-html-unsafe="expression"></div>

over 4 years ago · Santiago Trujillo Denunciar

0

Fortunately, you don't need any fancy filters or unsafe methods to avoid that error message. This is the complete implementation to properly output HTML markup in a view in the intended and safe way.

The sanitize module must be included after Angular:

<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.26/angular.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.26/angular-sanitize.js"></script>

Then, the module must be loaded:

angular.module('app', [
  'ngSanitize'
]);

This will allow you to include markup in a string from a controller, directive, etc:

scope.message = "<strong>42</strong> is the <em>answer</em>.";

Finally, in a template, it must be output like so:

<p ng-bind-html="message"></p>

Which will produce the expected output: 42 is the answer.

over 4 years ago · Santiago Trujillo Denunciar

0

you can also use ng-include.

<div class="col-sm-9 TabContent_container" ng-include="template/custom.html">
</div>

you can use "ng-show" to show hide this template data.

over 4 years ago · Santiago Trujillo Denunciar

0

Angular JS shows HTML within the tag

The solution provided in the above link worked for me, none of the options on this thread did. For anyone looking for the same thing with AngularJS version 1.2.9

Here's a copy:

Ok I found solution for this:

JS:

$scope.renderHtml = function(html_code)
{
    return $sce.trustAsHtml(html_code);
};

HTML:

<p ng-bind-html="renderHtml(value.button)"></p>

EDIT:

Here's the set up:

JS file:

angular.module('MyModule').controller('MyController', ['$scope', '$http', '$sce',
    function ($scope, $http, $sce) {
        $scope.renderHtml = function (htmlCode) {
            return $sce.trustAsHtml(htmlCode);
        };

        $scope.body = '<div style="width:200px; height:200px; border:1px solid blue;"></div>'; 

    }]);

HTML file:

<div ng-controller="MyController">
    <div ng-bind-html="renderHtml(body)"></div>
</div>
over 4 years ago · Santiago Trujillo Denunciar

0

ng-bind-html-unsafe no longer works.

This is the shortest way:

Create a filter:

myApp.filter('unsafe', function($sce) { return $sce.trustAsHtml; });

And in your view:

<div ng-bind-html="customHtml | unsafe"></div>

P.S. This method doesn't require you to include the ngSanitize module.

over 4 years ago · Santiago Trujillo Denunciar

0

there is one more solution for this problem using creating new attribute or directives in angular.

product-specs.html

 <h4>Specs</h4>
        <ul class="list-unstyled">
          <li>
            <strong>Shine</strong>
            : {{product.shine}}</li>
          <li>
            <strong>Faces</strong>
            : {{product.faces}}</li>
          <li>
            <strong>Rarity</strong>
            : {{product.rarity}}</li>
          <li>
            <strong>Color</strong>
            : {{product.color}}</li>
        </ul>

app.js

 (function() {
var app = angular.module('gemStore', []);    
app.directive("     <div ng-show="tab.isSet(2)" product-specs>", function() {
return {
  restrict: 'E',
  templateUrl: "product-specs.html"
};
});

index.html

 <div>
 <product-specs>  </product-specs>//it will load product-specs.html file here.
 </div>

or

<div  product-specs>//it will add product-specs.html file 

or

<div ng-include="product-description.html"></div>

https://docs.angularjs.org/guide/directive

over 4 years ago · Santiago Trujillo Denunciar

0

Just did this using ngBindHtml by following angular(v1.4) docs,

<div ng-bind-html="expression"></div> 
and expression can be "<ul><li>render me please</li></ul>"

Make sure you include ngSanitize in the module's dependencies. Then it should work fine.

over 4 years ago · Santiago Trujillo Denunciar

0

You can also create a filter like so:

var app = angular.module("demoApp", ['ngResource']);

app.filter("trust", ['$sce', function($sce) {
  return function(htmlCode){
    return $sce.trustAsHtml(htmlCode);
  }
}]);

Then in the view

<div ng-bind-html="trusted_html_variable | trust"></div>

Note: This filter trusts any and all html passed to it, and could present an XSS vulnerability if variables with user input are passed to it.

over 4 years ago · Santiago Trujillo Denunciar

0

I found that using ng-sanitize did not allow me to add ng-click in the html.

To solve this I added a directive. Like this:

app.directive('htmldiv', function($compile, $parse) {
return {
  restrict: 'E',
  link: function(scope, element, attr) {
    scope.$watch(attr.content, function() {
      element.html($parse(attr.content)(scope));
      $compile(element.contents())(scope);
    }, true);
  }
}
});

And this is the HTML:

<htmldiv content="theContent"></htmldiv>

Good luck.

over 4 years ago · Santiago Trujillo Denunciar

0

Another solution, very similar to blrbr's except using a scoped attribute is:

angular.module('app')
.directive('renderHtml', ['$compile', function ($compile) {
    return {
      restrict: 'E',
      scope: {
        html: '='
      },
      link: function postLink(scope, element, attrs) {

          function appendHtml() {
              if(scope.html) {
                  var newElement = angular.element(scope.html);
                  $compile(newElement)(scope);
                  element.append(newElement);
              }
          }

          scope.$watch(function() { return scope.html }, appendHtml);
      }
    };
  }]);

And then

<render-html html="htmlAsString"></render-html>

Note you may replace element.append() with element.replaceWith()

over 4 years ago · Santiago Trujillo Denunciar

0

on html

<div ng-controller="myAppController as myCtrl">

<div ng-bind-html-unsafe="myCtrl.comment.msg"></div>

OR

<div ng-bind-html="myCtrl.comment.msg"></div

on controller

mySceApp.controller("myAppController", function myAppController( $sce) {

this.myCtrl.comment.msg = $sce.trustAsHtml(html);

works also with $scope.comment.msg = $sce.trustAsHtml(html);

over 4 years ago · Santiago Trujillo Denunciar
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