Skip to main content

How to show/hide buttons in AngularJs?

In AngularJs, we can show and hide the div using ng-show and ng-disabled directives. Which are given below.
  1. ng-show directive {{ This directive is used to show the div }}
  2. ng-disabled directive {{ This directive is used to show the div }}

The AngularJs code example
1
2
3
4
var $scope;
var app = angular.module('myapp', []);
function myControl($scope) {
}
var $scope;
var app = angular.module('myapp', []);
function myControl($scope) {
}


The live example code 

01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
<!DOCTYPE html>
<html>
<head lang="en">
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.4/angular.min.js"></script>
<script>
    var $scope;
    var app = angular.module('myapp', []);
    function myControl($scope) {
    }
</script>
</head>
<body>
    <div ng-app="myapp">
    <div ng-controller="myControl">
        First Name :  <input type="text" ng-model="fName" /><br>
        Last Name :  <input type="text" ng-model="lName" /><br>
        <button ng-disabled="!fName || !lName">Submit</button>
    </div>
</div>
</body>
</html>
<!DOCTYPE html>
<html>
<head lang="en">
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.4/angular.min.js"></script>
<script>
    var $scope;
    var app = angular.module('myapp', []);
    function myControl($scope) {
    }
</script>
</head>
<body>
    <div ng-app="myapp">
    <div ng-controller="myControl">
        First Name :  <input type="text" ng-model="fName" /><br>
        Last Name :  <input type="text" ng-model="lName" /><br>
        <button ng-disabled="!fName || !lName">Submit</button>
    </div>
</div>
</body>


</html>

Labels

Labels:
By Anil Singh | Rating of this article (*****)

Popular posts from this blog

39 Best Object Oriented JavaScript Interview Questions and Answers

Most Popular 37 Key Questions for JavaScript Interviews. What is Object in JavaScript? What is the Prototype object in JavaScript and how it is used? What is "this"? What is its value? Explain why "self" is needed instead of "this". What is a Closure and why are they so useful to us? Explain how to write class methods vs. instance methods. Can you explain the difference between == and ===? Can you explain the difference between call and apply? Explain why Asynchronous code is important in JavaScript? Can you please tell me a story about JavaScript performance problems? Tell me your JavaScript Naming Convention? How do you define a class and its constructor? What is Hoisted in JavaScript? What is function overloadin
Read more

List of Countries, Nationalities and their Code In Excel File

Download JSON file for this List - Click on JSON file    Countries List, Nationalities and Code Excel ID Country Country Code Nationality Person 1 UNITED KINGDOM GB British a Briton 2 ARGENTINA AR Argentinian an Argentinian 3 AUSTRALIA AU Australian an Australian 4 BAHAMAS BS Bahamian a Bahamian 5 BELGIUM BE Belgian a Belgian 6 BRAZIL BR Brazilian a Brazilian 7 CANADA CA Canadian a Canadian 8 CHINA CN Chinese a Chinese 9 COLOMBIA CO Colombian a Colombian 10 CUBA CU Cuban a Cuban 11 DOMINICAN REPUBLIC DO Dominican a Dominican 12 ECUADOR EC Ecuadorean an Ecuadorean 13 EL SALVADOR
Read more

25 Best Vue.js 2 Interview Questions and Answers

What Is Vue.js? The Vue.js is a progressive JavaScript framework and used to building the interactive user interfaces and also it’s focused on the view layer only (front end). The Vue.js is easy to integrate with other libraries and others existing projects. Vue.js is very popular for Single Page Applications developments. The Vue.js is lighter, smaller in size and so faster. It also supports the MVVM ( Model-View-ViewModel ) pattern. The Vue.js is supporting to multiple Components and libraries like - ü   Tables and data grids ü   Notifications ü   Loader ü   Calendar ü   Display time, date and age ü   Progress Bar ü   Tooltip ü   Overlay ü   Icons ü   Menu ü   Charts ü   Map ü   Pdf viewer ü   And so on The Vue.js was developed by “ Evan You ”, an Ex Google software engineer. The latest version is Vue.js 2. The Vue.js 2 is very similar to Angular because Evan You was inspired by Angular and the Vue.js 2 components looks like -
Read more

React | Encryption and Decryption Data/Text using CryptoJs

To encrypt and decrypt data, simply use encrypt () and decrypt () function from an instance of crypto-js. Node.js (Install) Requirements: 1.       Node.js 2.       npm (Node.js package manager) 3.       npm install crypto-js npm   install   crypto - js Usage - Step 1 - Import var   CryptoJS  =  require ( "crypto-js" ); Step 2 - Encrypt    // Encrypt    var   ciphertext  =  CryptoJS . AES . encrypt ( JSON . stringify ( data ),  'my-secret-key@123' ). toString (); Step 3 -Decrypt    // Decrypt    var   bytes  =  CryptoJS . AES . decrypt ( ciphertext ,  'my-secret-key@123' );    var   decryptedData  =  JSON . parse ( bytes . toString ( CryptoJS . enc . Utf8 )); As an Example,   import   React   from   'react' ; import   './App.css' ; //Including all libraries, for access to extra methods. var   CryptoJS  =  require ( "crypto-js" ); function   App () {    var   data
Read more

AngularJs input date format calendar

Table of Context bout  the input date.  Click for live demo on plnker 1. Allow to use of a custom date format like "yyyy/MM/dd" or "yyyy-MM-dd" etc. 2. Allow to check the input date typed by the user is correct or not. 1 2 3 4 //The model must be a Date object, otherwise Angular will throw an error. //The error is Invalid Date objects will be rendered as an empty string. i.e. The dates whose getTime() is NaN. //The model must be a Date object, otherwise Angular will throw an error. //The error is Invalid Date objects will be rendered as an empty string. i.e. The dates whose getTime() is NaN. The Example 1 code as given below. 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 <!doctype html> <html lang= "en" > <head>      <meta charset= "utf-8" />      <script src= " http://ajax.googleapis.com/ajax/lib
Read more