By: Prem Tiwari | Last Updated: | In: Angular JS
Now days angularjs is the good front-end framework. In this post i will explain how to validate a form using angularjs. Lets create a sinple form and validate using angularjs.
Angular js text box validation using $touched and used ng-show directive to only show the error message. Include angularjs file within head tag of your page. Copy below angularjs file and add in your page.
|
1 2 3 |
<scriptsrc ="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"> </scriptsrc> |
I have used $touched directive to validate the textbox. Now create a index.html file and copy paste below code.
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 |
< !DOCTYPE html> <html> <link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"/> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script> <body ng-app=""> <div class="container"> <h1 class="text-center">How to validate a form using angularjs</h1> <h3 class="text-center">Try leaving the input field blank:</h3> <form name="myForm" class="form-horizontal"> <p>Name: <input name="myName" class="form-control" ng-model="myName" required/> <span style="color: red;" ng-show="myForm.myName.$touched && myForm.myName.$invalid">Please enter the name.</span> </p> <p>Email: <input name="email" class="form-control" ng-model="email" required/> <span style="color: red;" ng-show="myForm.email.$touched && myForm.email.$invalid">Please enter the email.</span> </p> <p>Address: <input name="myAddress" class="form-control" ng-model="myAddress" required/> <span style="color: red;" ng-show="myForm.myAddress.$touched && myForm.myAddress.$invalid">Please enter the address.</span> </p> </form> </div> </body> </html> |
See the live demo and then download the complete code from below link.
Live demo Download
Prem Tiwari is the founder of FreeWebMentor.com and also a professional developer who has vast experience in PHP and open source technologies. Apart from this, he is a blogger by hobby and also he has been a regular speaker of WordPress sessions in various IT Companies. View all posts by Prem Tiwari
angular bootstrap form, angularjs email validation, angularjs form, angularjs form validation, form validation, form validation angularjs
