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JS - get image width and height from the base64 code
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var i = new Image();
i.onload = function(){
alert( i.width+", "+i.height );
};
i.src = imageData;
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window.onload vs $(document).ready()
What are the differences between JavaScript's window.onload and jQuery's $(document).ready() method?
16 Answers
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Detecting Unsaved Changes
...have unsaved changes.";
}
};
Wrap it all up, and what do you get?
var confirmExitIfModified = (function() {
function formIsDirty(form) {
// ...as above
}
return function(form, message) {
window.onbeforeunload = function(e) {
e = e || window.event;
if (formIsDirty(docu...
Use HTML5 to resize an image before upload
... // Load the image
var reader = new FileReader();
reader.onload = function (readerEvent) {
var image = new Image();
image.onload = function (imageEvent) {
// Resize the image
var canvas = document.createElement('canvas'),
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window.onload vs
What exactly is the difference between the window.onload event and the onload event of the body tag? when do I use which and how should it be done correctly?
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How to add onload event to a div element
How do you add an onload event to an element?
24 Answers
24
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Is it possible to ping a server from Javascript?
...ip = ip;
var _that = this;
this.img = new Image();
this.img.onload = function() {_that.good();};
this.img.onerror = function() {_that.good();};
this.start = new Date().getTime();
this.img.src = "http://" + ip;
this.timer = setTimeout(function() { _that.bad();}, 1500);...
C#: Raising an inherited event
...Loading;
public event EventHandler Finished;
protected virtual void OnLoading(EventArgs e)
{
EventHandler handler = Loading;
if( handler != null )
{
handler(this, e);
}
}
protected virtual void OnFinished(EventArgs e)
{
EventHandler h...
Why is document.body null in my javascript?
... section that uses body. Not cool.
You want to wrap this code in a window.onload handler or place it after the <body> tag (as mentioned by e-bacho 2.0).
<head>
<title>Javascript Tests</title>
<script type="text/javascript">
window.onload = function() {
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How to “fadeOut” & “remove” a div in jQuery?
... event.preventDefault();
var $button = $(this);
if(confirm('Are you sure about this ?')) {
var $item = $button.closest('tr.item');
$item.addClass('removed-item')
.one('webkitAnimationEnd oanimationend msAnimationEnd animationen...