AngularJS and W3.CSS
You can easily use w3.css style sheet together with AngularJS. This chapter demonstrates how.
W3.CSS
To include W3.CSS in your AngularJS application, add the following line to the head of your document:
<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
If you want to study W3.CSS, visit our W3.CSS Tutorial.
Below is a complete HTML example, with all AngularJS directives and W3.CSS classes explained.
HTML Code
<!DOCTYPE html>
<html>
<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script>
<body ng-app="myApp" ng-controller="userCtrl">
<div
class="w3-container">
<h3>Users</h3>
<table class="w3-table
w3-bordered w3-striped">
<tr>
<th>Edit</th>
<th>First Name</th>
<th>Last Name</th>
</tr>
<tr ng-repeat="user in users">
<td>
<button class="w3-btn w3-ripple" ng-click="editUser(user.id)">✎
Edit</button>
</td>
<td>{{
user.fName }}</td>
<td>{{ user.lName }}</td>
</tr>
</table>
<br>
<button class="w3-btn w3-green w3-ripple"
ng-click="editUser('new')">✎ Create New User</button>
<form
ng-hide="hideform">
<h3 ng-show="edit">Create New
User:</h3>
<h3 ng-hide="edit">Edit User:</h3>
<label>First
Name:</label>
<input class="w3-input w3-border"
type="text" ng-model="fName" ng-disabled="!edit" placeholder="First Name">
<br>
<label>Last Name:</label>
<input
class="w3-input w3-border" type="text" ng-model="lName" ng-disabled="!edit"
placeholder="Last Name">
<br>
<label>Password:</label>
<input
class="w3-input w3-border" type="password" ng-model="passw1"
placeholder="Password">
<br>
<label>Repeat:</label>
<input
class="w3-input w3-border" type="password" ng-model="passw2"
placeholder="Repeat Password">
<br>
<button
class="w3-btn w3-green w3-ripple" ng-disabled="error || incomplete">✔
Save Changes</button>
</form>
</div>
<script src= "myUsers.js"></script>
</body>
</html>
Try it Yourself »
Directives (Used Above) Explained
| AngularJS Directive | Description |
|---|---|
| <body ng-app | Defines an application for the <body> element |
| <body ng-controller | Defines a controller for the <body> element |
| <tr ng-repeat | Repeats the <tr> element for each user in users |
| <button ng-click | Invoke the function editUser() when the <button> element is clicked |
| <h3 ng-show | Show the <h3>s element if edit = true |
| <h3 ng-hide | Hide the form if hideform = true, and hide the <h3> element if edit = true |
| <input ng-model | Bind the <input> element to the application |
| <button ng-disabled | Disables the <button> element if error or incomplete = true |
W3.CSS Classes Explained
| Element | Class | Defines |
|---|---|---|
| <div> | w3-container | A content container |
| <table> | w3-table | A table |
| <table> | w3-bordered | A bordered table |
| <table> | w3-striped | A striped table |
| <button> | w3-btn | A button |
| <button> | w3-green | A green button |
| <button> | w3-ripple | A ripple effect when you click the button |
| <input> | w3-input | An input field |
| <input> | w3-border | A border on the input field |
JavaScript Code
myUsers.js
angular.module('myApp', []).controller('userCtrl',
function($scope) {
$scope.fName
= '';
$scope.lName = '';
$scope.passw1 = '';
$scope.passw2 = '';
$scope.users = [
{id:1, fName:'Hege', lName:"Pege" },
{id:2, fName:'Kim', lName:"Pim" },
{id:3, fName:'Sal', lName:"Smith" },
{id:4, fName:'Jack', lName:"Jones" },
{id:5, fName:'John', lName:"Doe"
},
{id:6, fName:'Peter',lName:"Pan" }
];
$scope.edit = true;
$scope.error = false;
$scope.incomplete = false;
$scope.hideform = true;
$scope.editUser =
function(id) {
$scope.hideform = false;
if (id == 'new') {
$scope.edit = true;
$scope.incomplete
= true;
$scope.fName = '';
$scope.lName
= '';
} else {
$scope.edit = false;
$scope.fName
= $scope.users[id-1].fName;
$scope.lName
= $scope.users[id-1].lName;
}
};
$scope.$watch('passw1',function()
{$scope.test();});
$scope.$watch('passw2',function() {$scope.test();});
$scope.$watch('fName', function() {$scope.test();});
$scope.$watch('lName', function() {$scope.test();});
$scope.test = function() {
if
($scope.passw1 !== $scope.passw2) {
$scope.error =
true;
} else {
$scope.error =
false;
}
$scope.incomplete = false;
if ($scope.edit
&& (!$scope.fName.length ||
!$scope.lName.length ||
!$scope.passw1.length || !$scope.passw2.length)) {
$scope.incomplete = true;
}
};
});
JavaScript Code Explained
| Scope Properties | Used for |
|---|---|
| $scope.fName | Model variable (user first name) |
| $scope.lName | Model variable (user last name) |
| $scope.passw1 | Model variable (user password 1) |
| $scope.passw2 | Model variable (user password 2) |
| $scope.users | Model variable (array of users) |
| $scope.edit | Set to true when user clicks on 'Create user'. |
| $scope.hideform | Set to false when user clicks on 'Edit' or 'Create user'. |
| $scope.error | Set to true if passw1 not equal passw2 |
| $scope.incomplete | Set to true if any field is empty (length = 0) |
| $scope.editUser | Sets model variables |
| $scope.$watch | Watches model variables |
| $scope.test | Tests model variables for errors and incompleteness |
