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Preview an image before it is uploaded
...d. The preview action should be executed all in the browser without using Ajax to upload the image.
26 Answers
...
Parse RSS with jQuery
...SON object to a callback function:
function parseRSS(url, callback) {
$.ajax({
url: document.location.protocol + '//ajax.googleapis.com/ajax/services/feed/load?v=1.0&num=10&callback=?&q=' + encodeURIComponent(url),
dataType: 'json',
success: function(data) {
callback...
CSS scrollbar style cross browser [duplicate]
...esheet" type="text/css">
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.18/jquery-ui.min.js"></script>
<script type="t...
How to trigger an event after using event.preventDefault()
...if ( !options.lots_of_stuff_done ) {
e.preventDefault();
$.ajax({
/* do lots of stuff */
}).then(function() {
// retrigger the submit event with lots_of_stuff_done set to true
$(e.currentTarget).trigger('submit', { 'lots_of_stuff_done': tru...
AngularJS access parent scope from child controller
...ities;
vm.parentCities = vm.cities;
}
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.20/angular.min.js"></script>
<div ng-app ng-controller="ParentCtrl as pc">
<div ng-controller="ChildCtrl as cc">
<pre>{{cc.parentCities | json}}&...
Jquery select all elements that have $jquery.data()
...
}
#addData {
margin-top: 20px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div>
<span class="bar">without data attribute</span>
<span class="foo" data-test="value1">with data attribute<...
Fixed width buttons with Bootstrap
...wnload</button></p>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn...
Intercept page exit event
...ll leave as normal but data is send to server
Edit:
See also Synchronous_AJAX and how to do that with jquery
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How to expire session due to inactivity in Django?
... return HttpResponseRedirect("LOGIN_PAGE_URL")
if not request.is_ajax():
# don't set this for ajax requests or else your
# expired session checks will keep the session from
# expiring :)
request.session['last_activity'] = now
Then you just ...
Difference between .success() and .complete()?
As of jQuery 1.5, all jQuery's AJAX methods return a jqXHR object that provides .error() , .success() , and .complete() methods.
...