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AngularJS ng-show Directive

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  • Last Updated : 03 Aug, 2022

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

Syntax:

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

Parameter Value:

  • expression: It specifies the element will be displayed only if the required expression returns true.

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

HTML




<!DOCTYPE html>
<html>
 
<head>
    <title>ng-show Directive</title>
    <script src=
    </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:

 

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

HTML




<!DOCTYPE html>
<html>
 
<head>
    <title>ng-show Directive</title>
    <script src=
    </script>
</head>
 
<body ng-app="app" style="text-align:center">
    <div ng-controller="geek" ng-init="val=0">
        <h1 style="color:green">
            GeeksforGeeks
        </h1>
        <h3>ng-show Directive</h3>
        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:

 


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