backbone.jsHow can I use Backbone.js events to create a dynamic web application?
Backbone.js events allow developers to create dynamic web applications by responding to user interactions. For example, the following code snippet uses a Backbone event to update a div's contents when a button is clicked:
$('#button').on('click', function(){
$('#div').html('Button was clicked!');
});
When the button with the id of button
is clicked, the div with the id of div
will be updated with the message Button was clicked!
.
Backbone events can also be used to trigger AJAX requests, allowing for dynamic content to be fetched from the server. For example, the following code snippet uses a Backbone event to trigger an AJAX request when a button is clicked:
$('#button').on('click', function(){
$.ajax({
url: '/some/url',
success: function(data){
$('#div').html(data);
}
});
});
When the button with the id of button
is clicked, an AJAX request will be sent to the URL /some/url
. If the request is successful, the response data will be inserted into the div with the id of div
.
Code explanation
$('#button')
: Selects the element with the id ofbutton
on('click', ...)
: Attaches an event handler to the element that will be triggered when the element is clicked$('#div').html(data)
: Inserts the given data into the element with the id ofdiv
$.ajax(...)
: Sends an AJAX request to the given URL
Helpful links
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- How can I update my Backbone.js application?
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