AngularJS | angular.isString() Function

Last Updated : 12 Apr, 2019

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

angular.isString( value )

Return Value: It returns true if the value passed is a string otherwise return false. Example: This example uses angular.isString() function to determine the parameter inside isString function is a string or not.

html

<!DOCTYPE html>
<html>
    <head>
        <title>angular.isString() function</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.isString()</h2>
        
        <div ng-controller="geek">
            <b>Input1: </b> 
                <span>
                    <code>123</code>
                </span>
            <br>
            
            <b>isString: </b>{{isString1}}<br /><br><br>
            <b>Input2: </b> 
            
            <code>
                "geeksforgeeks"
            </code>
            <br>
            
            <b>isString:</b> {{isString2}}
        </div>
        
        <!-- Script to use angular.isString() function -->
        <script>
            var app = angular.module("app", []);
            app.controller('geek', ['$scope', function ($scope) {
                var obj1 = 123;
                var obj2 = "geeksforgeeks";
                $scope.isString1 = angular.isString(obj1);
                $scope.isString2 = angular.isString(obj2);
            }]);
        </script>
    </body>
</html>