Is it possible that Angular 1.0.8 code is incompatible with version 1.6.5?

Question

Is it possible that Angular 1.0.8 code is incompatible with version 1.6.5?

Just started dabbling in angular-js today and decided to experiment with some older examples.

I have a backend api that provides me with a json list. I am trying to fetch this data and display it on my webpage.

The examples I found were built using version 1.0.8 of angular-js and they work perfectly. However, when I attempt to replicate the same functionality using version 1.6.5, nothing seems to work. What could be causing this issue? How can I resolve it?

Files

function Books($scope, $http) {
$http.get('http://localhost:8080/book-manager/bookslist.json').success(function(data) {
$scope.books = data;
});
}

<!DOCTYPE html>
<html ng-app>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Test Angular</title>
<!-- 1.0.8 Working -->
<script src="angularjs/1.0.8/angular.min.js"></script>
<!-- 1.6.5 Not Working, Why? -->
<!-- <script src="angularjs/1.6.5/angular.min.js"></script> -->
<script src="count.js"></script>
</head>
<body>
<div ng-controller="Books">
I have {{books.length}} books!
<ul class="books-container">
<li ng-repeat="book in books">{{book.name}}</li>
</ul>
</div>
</body>
</html>

javascript angularjs

Answer 1

Answer №1

One significant update was the revised method of declaring a controller in your Angular application. To implement this, you must have your primary ng-app module and incorporate a controller into it (maintaining the functionality of the Books function as before).

count.js

angular.module('mainAppExample', []).controller('Books', Books);
function Books(){}

It's essential to include the ng-app directive, which serves as your root module (allowing the addition of multiple controllers, filters, and other directives). Typically, this directive is placed within a root element tag such as <html> or <body>:

books.html

<body ng-app="mainAppExample">
    <div ng-controller="Books">
        I have {{books.length}} books!
        <ul class="books-container">
            <li ng-repeat="book in books">{{book.name}}</li>
        </ul>
    </div>
</body>

Answer 2

One significant update was the revised method of declaring a controller in your Angular application. To implement this, you must have your primary ng-app module and incorporate a controller into it (maintaining the functionality of the Books function as before).

count.js

angular.module('mainAppExample', []).controller('Books', Books);
function Books(){}

It's essential to include the ng-app directive, which serves as your root module (allowing the addition of multiple controllers, filters, and other directives). Typically, this directive is placed within a root element tag such as <html> or <body>:

books.html

<body ng-app="mainAppExample">
    <div ng-controller="Books">
        I have {{books.length}} books!
        <ul class="books-container">
            <li ng-repeat="book in books">{{book.name}}</li>
        </ul>
    </div>
</body>

Answer 3

Answer №2

The range between versions 1.0 and 1.6 represents a significant leap with numerous changes. The initial legacy version to focus on is 1.2x, followed by transitions to 1.3, then 1.4 leading up to 1.5. It is highly recommended to carefully examine the changelogs available here:

https://github.com/angular/angular.js/blob/master/CHANGELOG.md

It is crucial to understand the breaking modifications that have been introduced.

From version 1.5 onwards, promises are utilized. Therefore, you should implement something like:

$http.get(URL).then(function(data) {
        //handle success 
    }, function (error) {
        //handle error
    });

This issue does not end there; it is imperative to evaluate all alterations thoroughly.

I personally suggest exploring Angular (as opposed to AngularJS). Even for smaller projects, embracing new knowledge can be beneficial.

Edit: For beginners in AngularJs, I would advise against investing significant time in learning it as its lifespan may be limited. Instead, consider transitioning to Angular (version 4+).

Answer 4

The range between versions 1.0 and 1.6 represents a significant leap with numerous changes. The initial legacy version to focus on is 1.2x, followed by transitions to 1.3, then 1.4 leading up to 1.5. It is highly recommended to carefully examine the changelogs available here:

https://github.com/angular/angular.js/blob/master/CHANGELOG.md

It is crucial to understand the breaking modifications that have been introduced.

From version 1.5 onwards, promises are utilized. Therefore, you should implement something like:

$http.get(URL).then(function(data) {
        //handle success 
    }, function (error) {
        //handle error
    });

This issue does not end there; it is imperative to evaluate all alterations thoroughly.

I personally suggest exploring Angular (as opposed to AngularJS). Even for smaller projects, embracing new knowledge can be beneficial.

Edit: For beginners in AngularJs, I would advise against investing significant time in learning it as its lifespan may be limited. Instead, consider transitioning to Angular (version 4+).

Answer 5

Answer №3

Achievement is no longer recommended. It is best to utilize 'then' instead.

function BookList($scope, $http) {
    $http.get('http://localhost:8080/book-manager/bookslist.json').then(function(data) {
        $scope.books = data;
    });
}

If you are receiving a complete response object in version 1.6.5, consider the following adjustment:

function BookList($scope, $http) {
    $http.get('http://localhost:8080/book-manager/bookslist.json').then(function(response) {
        $scope.books = response.data;
    });
}

Answer 6

Achievement is no longer recommended. It is best to utilize 'then' instead.

function BookList($scope, $http) {
    $http.get('http://localhost:8080/book-manager/bookslist.json').then(function(data) {
        $scope.books = data;
    });
}

If you are receiving a complete response object in version 1.6.5, consider the following adjustment:

function BookList($scope, $http) {
    $http.get('http://localhost:8080/book-manager/bookslist.json').then(function(response) {
        $scope.books = response.data;
    });
}

Is it possible that Angular 1.0.8 code is incompatible with version 1.6.5?

Answer №1

Answer №2

Answer №3

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