AngularJS | angular.isNumber() Function

Last Updated : 12 Apr, 2019

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 )

Return Value: It returns true if the passed value is a number else false.

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

<!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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