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.

<!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>                     