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AngularJS | ng-disabled Directive

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  • Last Updated : 31 Aug, 2021

The ng-disabled Directive in AngularJS is used to enable or disable HTML elements. If the expression inside the ng-disabled attribute returns true then the form field will be disabled or vice versa. It is usually applied on form field (input, select, button, etc).
 

Syntax:  

<element ng-disabled="expression"> Contents... </element>

Example 1: This example uses ng-disabled Directive to disable the button.  

html




<!DOCTYPE html>
<html>
     
<head>
    <title>ng-disabled Directive</title>
 
    <script src=
    </script>
</head>
 
<body ng-app="app" style="text-align:center">
     
    <h1 style="color:green">GeeksforGeeks</h1>
     
    <h2>ng-disabled Directive</h2>
     
    <div ng-controller="app" ng-init="disable=false">
        <button ng-click="geek(disable)" ng-disabled="disable">
            Click to Disable
        </button>
         
        <button ng-click="geek(disable)" ng-show="disable">
            Click to Enable
        </button>
    </div>
     
    <script>
        var app = angular.module("app", []);
        app.controller('app', ['$scope', function ($app) {
            $app.geek = function (disable) {
                $app.disable = !disable;
            }
        }]);
    </script>
</body>
 
</html>

Output: 
Before clicking the button:  

ngdisabled

After clicking the button:  

ngdisabled

 

Example 2: This example uses ng-disabled Directive to enable and disable button using checkbox.  

html




<!DOCTYPE html>
<html>
     
<head>
    <title>ng-disabled Directive</title>
 
    <script src=
    </script>
</head>
 
<body ng-app="app" style="text-align:center">
     
    <h1 style="color:green">GeeksforGeeks</h1>
     
    <h2>ng-disabled Directive</h2>
     
    <div ng-controller="geek">
        <h4>
            Check it
            <input type="checkbox" ng-model="check" />
        </h4>
         
        <button type="button" ng-disabled="!(check)">
            Click to submit
        </button>
    </div>
     
    <script>
        var app = angular.module("app", []);
        app.controller('geek', ['$scope', function ($scope) {
            $scope.disableClick = function (isDisabled) {
            $scope.isDisabled = !isDisabled;
            }
        }]);
    </script>
</body>
 
</html>

Output: 
Before clicking the button:  

ngdisabled

After clicking the button:  

ngdisabled

Supported Browser:

  • Google Chrome
  • Microsoft Edge
  • Firefox
  • Opera
  • Safari

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