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AngularJS – isString() method
The isString() method in AngularJS basically checks if a reference is a string value or not. This method will return True if the reference passed inside the function is a string, else it will return False.
Syntax
angular.isString(value)
Example − Check if the reference is a String or not
Create a file "isString.html" in your Angular project directory and copy-paste the following code snippet.
<!DOCTYPE html>
<html>
<head>
<title>angular.isString()</title>
<script src= "https://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">
Welcome to Tutorials Point
</h1>
<h2>AngularJS | angular.isString()</h2>
<div ng-controller="example">
<b>Name: {{name}}</b>
<br><br>
{{isString}}
<br><br>
<b>Name: {{name2}}</b>
<br><br>
{{isString1}}
<br><br>
<b>Name: {{name3}}</b>
<br><br>
{{isString2}}
</div>
<!-- Script for passing the values and checking... -->
<script>
var app = angular.module("app", []);
app.controller('example',['$scope', function ($scope)
{
// Defining the keys & values
$scope.name = "SIMPLY LEARNING";
$scope.name2 = "";
$scope.name3 = {"name": "tutorialsPoint"};
$scope.isString = angular.isString($scope.name) == true
? "$scope.name is a String."
: "$scope.name is not a String.";
$scope.isString1 = angular.isString($scope.name2) == true
? "$scope.name2 is a String."
: "$scope.name2 is not a String.";
$scope.isString2 = angular.isString ($scope.name3) == true
? "$scope.name2 is a String."
: "$scope.name2 is not a String.";
}]);
</script>
</body>
</html>Output
To run the above code, just go to your file and run it as a normal HTML file. You will see the following output on the browser window.
Observe that name and name2 are strings, whereas name3 is a key-value pair in the given code, which is why we got the output "$scope.name2 is not a String."
Updated on: 08-Oct-2021
180 Views
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