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>
<script src=
"https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js">
script>
<body>
<div ng-app="app"
ng-controller="gfgCtrl"
style="text-align:center">
<h1 style="color:green">GeeksforGeeksh1>
<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>
<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">GeeksforGeeksh1>
<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>
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:
