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AngularJS angular.isNumber() Function

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  • Last Updated : 08 Aug, 2022

The angular.isNumber() function in AngularJS is used to determine the parameter inside isNumber function is a number or not. It returns true if the reference is a number otherwise returns false. 

Syntax:

angular.isNumber( value );

Parameter value:

  • value: It determines whether the entered value is a number or not.

Return Value: It returns a boolean value if the passed value is a number as true, otherwise returns false.

Example: This example illustrates the angular.isNumber() function in AngularJS, to check whether the entered value is a number or not.

HTML




<!DOCTYPE html>
<html>
<script src=
</script>
  
<body>
    <div ng-app="app" 
         ng-controller="gfgCtrl"
         style="text-align:center">
      <h1 style="color:green">GeeksforGeeks</h1>
      <h2>angular.isNumber()</h2><br>
        <b>Is {{ data1 }} a number?</b><br>
        <b>{{ data2 }}</b
    </div>
    <script>
        var app = angular.module('app', []);
        app.controller('gfgCtrl', function($scope) {
            $scope.data1 = 26;
            $scope.data2 = angular.isNumber($scope.data1);
        });
    </script>
</body>
</html>


Output:

 

Example: This example uses angular.isNumber() function to determine whether the given input is a number or not. 

HTML




<!DOCTYPE html>
<html>
  
<head>
    <title>angular.isNumber()</title>
    <script src=
"//ajax.googleapis.com/ajax/libs/angularjs/1.3.2/angular.min.js">
    </script>
</head>
  
<body ng-app="app" style="text-align:center">
    <h1 style="color:green">GeeksforGeeks</h1>
    <h2>angular.isNumber()</h2>
    <div ng-controller="geek"
        <b>Input1: </b
        <span>
            <code>
                123
            </code>
        </span>
        <br
        <b>IsNumber: </b>{{isNumber1}}
        <br /><br><br
        <b>Input2: </b>
            <code>
                "geeksforgeeks"
            </code>
        <br>
        <b>IsNumber:</b> {{isNumber2}}
    </div>
      
    <!-- Script to uses angular.isNumber() Function -->
    <script>
        var app = angular.module("app", []);
        app.controller('geek', ['$scope', function($scope) {
            var obj1 = 123;
            var obj2 = "geeksforgeeks";
            $scope.isNumber1 = angular.isNumber(obj1);
            $scope.isNumber2 = angular.isNumber(obj2);
        }]);
    </script>
</body>
</html>


Output:

isNumber


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