The Backbone.js destroy model is used to delete the data of the given model in the server by delegating the sync() method.
Syntax:
Backbone.Model.destroy(options)
Parameters: This method accepts one parameter that is described below:
- options: It accepts attribute parameters like id etc.
Using the CDN Link: A content delivery network is a network that serves files to users. Here are the CDNs for Backbone.js
<script src=”https://code.jquery.com/jquery-2.1.3.min.js” type=”text/javascript”></script>
<script src=”http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.3.3/underscore-min.js” type=”text/javascript”></script> <script src=”http://cdnjs.cloudflare.com/ajax/libs/backbone.js/0.9.2/backbone-min.js” type=”text/javascript”></script>
Example: In this example, we are creating a book model and deleting the model from the server.
<!DOCTYPE html> <html>
<head>
type="text/javascript"></script>
<script src=
type="text/javascript"></script>
<script src=
type="text/javascript"></script>
<script type="text/javascript">
Backbone.sync = function (mymethod, mymodel) {
document.write(mymethod + ": "
+ JSON.stringify(mymodel) + "<br>");
mymodel.set('id', 45);
};
var Books = Backbone.Model.extend();
var book = new Books({
bookid: 23,
price: 678,
book_name: "css"
});
document.write(' Values: ' + JSON.stringify(book));
document.write("<br>");
book.save();
book.destroy();
</script>
</head>
<body></body>
</html>
|
Output:
Values: {"bookid":23,"price":678,"book_name":"css"}
create: {"bookid":23,"price":678,"book_name":"css"}
delete: {"bookid":23,"price":678,"book_name":"css","id":45}Example: 2 In this example, we are creating a book model and deleting the model from the server. and perform save after destroy.
<!DOCTYPE html> <html>
<head>
type="text/javascript"></script>
<script src=
type="text/javascript"></script>
<script src=
type="text/javascript"></script>
<script type="text/javascript">
Backbone.sync = function (mymethod, mymodel) {
document.write(mymethod + ": "
+ JSON.stringify(mymodel) + "<br>");
mymodel.set('id', 45);
};
var Books = Backbone.Model.extend();
var book = new Books({
bookid: 23,
price: 678,
book_name: "css"
});
document.write(' Values: ' + JSON.stringify(book));
document.write("<br>");
book.destroy();
book.save();
</script>
</head>
<body></body>
</html>
|
Output:
Values: {"bookid":23,"price":678,"book_name":"css"}
create: {"bookid":23,"price":678,"book_name":"css"}Reference: https://backbonejs.org/#Model-destroy