Gets Loaded The Fastest (1-2 Or 3)?
May 30, 2007
I wander what gets loaded the fastest (1-2 or 3) in what succession:
<head>
<script type="text/javascript">
function andAction() {
// doing stuff
}
</script>
</head>
<body onload="andAction();">
<script type="text/javascript">andAction()</script></body>
just in the head and nothing more
This I am sure off:
<head>
<script type="text/javascript">
window.onload = function andAction() {
// doing stuff
}
</script>
</head>
<script type="text/javascript">andAction()</script></body>
just in the head and nothing more (should be 1)
Third and last which is faster:
body onload or window.onload
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Apr 14, 2010
Let's say I want to select all the input elements of a particular form with id #form. What would be faster?
1. $("#form input")
or
2. $("input", "#form")
In my (rather unscientific) test using firebug, 2 seemed to be almost 50% faster.
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Nov 2, 2001
Is it possible, using client-side JavaScript, to test a series of download sites to see which is most likely to be the fastest file download site for a user?
I wondered whether JavaScript could download a portion of a file, or alternatively a small sample image file, just to test the download speed of each site, then report to the user the fastest, next fastest, and so on.
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Jul 5, 2010
I'm trying to use cluetip jquery plugin inside a message_container div which will be updated once in a while through ajax. The plugin works just fine in any other div, but it seems that in message_container div the already loaded external javascripts are not present ie the plugin doesn't work. Do you have any ideas what would be a proper solution for this issue?
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Feb 7, 2010
Is it possible to tell a javascript script to do something else if the page has yet to load completely or the included javascript file has yet to load?
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Jul 23, 2005
I used document.readyState to check the document state, but it gavem access is denied error at that line. is there any other way to do it?
function wackOpen(){
my_window1=window.open('http://www.yahoo.com','','left=20,top=20,width=2,height=2 ');
//my_window1.location="$send_sms[0]";
my_win_status=my_window1.document.readyState;
....
.....
}
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Jan 5, 2006
I have an application where the user loads graphics from another site.
Presently I advise the user to wait for graphics to load before
clicking on adjustments. Ideally, I would prefer a closed-loop approach
where code would recognize completion of loading and automatically
enable the adjustments.
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Nov 28, 2006
The pages which have these images are frames.... and even with my best attempts to preload them all still most do not. Some use more than one image and the flicker is obvious.
Below is how I am loading them, and it doesn't matter if I use URL referenced images or locally, (i.e. ./image1.gif)
<script>
pic1= new Image;
pic1.src="./image1.gif";
pic2= new Image;
pic2.src="http://www....";
</script>
Is there a reliable way to pre-load all images in frames, or *should* this work and it's something else?
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Jul 20, 2005
I have created two pages, the first page is stored in a free public web
server, and the second one is stored in a personal computer. This computer
is not allways on, so, sometimes, the page could not load.
I want to create a "Zero" page that checks if the second page is accesible
(and if it is, then redirect). And if the page is not accesible then
redirect to the public server.
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Apr 27, 2010
i'm trying jquery, and i want do do something .. that seems i cant understand how to do.thats my problem :i've got a page with some link and a div, every link calls this function :
function ajax_page(ele,url){
$(ele).load(url);
setTimeout('justify()', 300);
[code]....
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Apr 7, 2010
Can jquery animate the way a web page is loaded? for example you may fade in a page or add some effect to it when its loaded. is this possible?
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May 18, 2010
I am using a jquery gallery slideshow on my homepage and I am having an issue where the images loaded before the dom is loaded causing the images to display in an ugly stack.
I combated this a bit by setting a height on the div and setting the overflow to hidden. however you can still see the unstyled stack of images within the small div for a couple of seconds before the page is loaded.
the code to start the javascript is:
<script type="text/javascript">
$(document).ready(function(){
$('#photos45').galleryView({
panel_width: 980,
[Code]....
I have a feeling that this has something to do with the .ready function maybe it should be something else? You can see this in action here:
[URL]
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Jun 30, 2010
I'm having some problem with this DHTML app. The problem is that when i click on an image button, nothing happens. I have verified that the DOM event handlers are loaded. However, when i click on the images (buttons), nothing happens
:confused:
var PenSize = "3";
var PenColor = "Black";
var LoadFile = "";
var UIstatus = "visible";
var CurrentNote = 0;
var BGcolor = "#C7C1A3";
[Code]...
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Jun 24, 2011
I am doing an image/data rotating script. I get the data from a XML. I parse that data and build the divs and such.Data Set 1 --- background image in a div, with a button and some text overlayed on the div.
...
...
Data Set 4 -- etc..The thing is, I load the script and the div appears, BUT the text overlay appears first THEN the image pops up for the first Data Set. I can't have that. I need them both to appear at once.Is there a way to determine that a div background image is loaded?-- I have access to the prototype js library.
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Feb 15, 2011
We have to login to a http page so that I can surf the net. But, that login page also requires me to keep that page open which is very irritating. The page have javascript that checks if the page is loaded every 180 seconds, it its not loaded, I am logged out.
I want to simulate a browser using a programming language like python or using curl or anything so that I am not forced to keep the webpage open.
How can I do that? I have uploaded the source code of the webpages of login_page, javascript and ajax scripts used.
I am not actually sure as to how it is being accomplished so I dont know how to simulate it. note the sendLiveRequest function in javascipt script.
[URL]
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Apr 19, 2011
I saw one page where image was loading. First, there was something like this image (in this text: first image): click. And then, when image (real) loaded, it replace first image.
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Jan 31, 2009
I need to fire a redirect script after all other scripts on the page have loaded.I've got a redirect page set up specifically to log Google AdWords conversions and Google Website Optimizer conversions. It's basically a few blocks of Javascript, but it loads external JS files from Google's servers and I don't want the JS redirect to fire until after ALL of Google's tracking has registered.
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May 13, 2009
How can I write up a script to remove all ads from one my pages. It's an experiment, so don't go around thinking I'm cheating my ad publishers.
I have a database of ad publishers for example, how can i remove all objects... images, flash, etc coming from that url
Or can I block anything being loaded from that url altogether?
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Mar 29, 2010
I am trying to call a javascript method on a page that is loaded into a div with ajax.I cannot get javascript functioncalls to work.And I don`t know why,that is when I run the page in its own browser window it works.Can I do it different to ensure it loads javascript?
Code:
<?php
session_start();
require_once("CartClass.php");[code].......
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Jun 6, 2002
How do you refer to an object such as a drop down <select> box before the <select> box appears in the code....
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Feb 21, 2003
How do I detect if a couple of images on my page are loaded? I must somehow detect if those images are loaded and if possible, stop the visitor from doing anything until they are loaded.
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Dec 10, 2011
I have a puzzling message on my page at URL] It says the API is not loaded. The Firebug gives this: uncaught exception: API not loaded, please pass in a 'site' I wonder which API..
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Aug 26, 2005
I have a textarea on the page. When the page
loads, I need it to have some default text (which will be generated
dynamically)
so I did something like this
function init()
{
document.getElementById("TexareaID").value = "default text";
}
window.onload
{
init();
}
but the problem is firefox always return "TextAreaID" has no properties
because the textbox hasn't loaded it yet..it seems. How do I get around
that? (I know mabye i can insert the script below the textbox.. but
that's ugly. Any other ways?
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Sep 2, 2006
I have this...
<div id="mainframe">
<img src="image.jpg" id="image">
</div>
Then when I try to in a function say...
function checkImage()
{
var image = document.getElementById("image");
var height = image.height;
}
Many times the image height will not be defined.
I recently changed the past so it uses AJAX to change the <img src...
stuff to return new data for that inner HTML block..
Still the image will not have properties.
Now, this is a problem in IE/FF, but not in opera.
Any ideas on how to make sure the image is loaded so its height/width
properties are available... either by swapping the image.src or by
using ajax to swap out the div innerHTML??
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Dec 24, 2006
I am using this to load the client JavaScript for a web application
when it is selected by the user) via an Ajax connection to the server.
I have found only two ways of loading new JavaScript after the web page
is loaded.
1. Create a new script element (where head is the id of the head tag):
var s = document.createElement('script');
s.setAttribute('type','text/javascript');
s.setAttribute('src', 'scripts/myscript.js');
s.setAttribute('defer', false);
document.getElementById('head').appendChild(s);
2. eval() of a string sent from the server via XmlHttpRequest.
The first method does not work with Apple Macintosh Safari. There is an
article on the apple support website
http://lists.apple.com/archives/Web...r/msg00024.html
Does anyone know of any other methods that are cross-browser?
I already know about the IFrame workaround, but I have not been able to
determine if that is really portable and practical. Does anybody have
experience with this?
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Jul 20, 2005
I have a device with embedded webserver. Its page offers to reset the device,with the following javascript function:
function Restart()
{
if (confirm("Your Web browser will lose contact with the
camera.
Are you sure you want to restart the camera?"))
{
var form = document.WizardForm
form.do_reboot.value = "yes"
form.submit()
}
}
Now I want to execute the reset function automatically on a timeschedule (every 24 hours, from crontab). How do I accomplish this? I guess I need something like the reverse of WGET - something like a WPUT or WSUBMIT, that talks to the embedded web server and submits a form with
do_reboot = "yes". However, I have never heard of any such tool.
How can I trigger the functionality in an automated way, without browsing the page and clicking the button manually?
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