AngularJS | ng-show Directive

Last Updated : 28 Mar, 2019

The ng-show Directive in AngluarJS is used to show or hide the specified HTML element. If given expression in ng-show attribute is true then the HTML element will display otherwise it hide the HTML element. It is supported by all HTML elements.

Syntax:

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

Example 1: This example uses ng-show Directive to display the HTML element after checked the checkbox.

<!DOCTYPE html>
<html>
  
<head>
    <title>ng-show Directive</title>
      
    <script src=
"https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js">
    </script>
</head>
  
<body>
    <div ng-app="app" ng-controller="geek">
          
        <h1 style="color:green">GeeksforGeeks</h1>
        <h2>ng-show Directive</h2>
          
        <input id="chshow" type="checkbox" ng-model="show" />
          
        <label for="chshow">
            Show Paragraph
        </label>
          
        <p ng-show="show" style="background: green; color: white; 
                font-size: 14px; width:35%; padding: 10px;">
            Show this paragraph using ng-show
        </p>
    </div>
      
    <script>
        var myapp = angular.module("app", []);
        myapp.controller("geek", function ($scope) {
            $scope.show = false;
        });
    </script>
</body>
  
</html>                    

Output:
Before checked the checkbox:
ngshow
After checked the checkbox:
ngshow

Example 2: This example uses ng-show Directive to display entered number is multiple of 5 or not.

<!DOCTYPE html>
<html>
      
<head>
    <title>ng-show Directive</title>
      
    <script src=
"https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js">
    </script>
</head>
  
<body ng-app="app" style="text-align:center">
    <div ng-controller="geek" ng-init="val=0">
        <h1 style="color:green">GeeksforGeeks</h1>
        <h2>ng-show Directive</h2>
          
        Enter a number:
        <input type="text" ng-model="val" ng-keyup="check(val)">
  
        <div ng-hide="show">
            <h3>
                The number is multiple of 5
            </h3>
        </div>
          
        <div ng-show="show">
            <h3>
                The number is not a multiple of 5
            </h3>
        </div>
    </div>
      
    <script>
        var app = angular.module("app", []);
        app.controller('geek', ['$scope', function ($scope) {
            $scope.check = function (val) {
                $scope.show = val % 5 == 0 ? false : true;
            };
        }]);
    </script>
</body>
  
</html>                    

Output:
ngshow

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