How To Make A Function Run When Web Page Loads.
Jul 20, 2005
I have a slide show program. First theres stuff to set up the array, and the time between slides Then a function startIt()is defined then a function stopIt()
Then two buttons, Start and Stop, which when pressed call the relevant
functions.
When the page loads, you have to click the Start button to get the
slide show running, but I'd like it to start running straight away
without having to click. I can't for the life of me figure this out.
I thought it was just a question of putting the line
startIt(); Code:
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Oct 1, 2009
I see when I post a link to Facebook for a youtube video that it shows a thumbnail. When i click the thumbnail it plays the video right there on my facebook page.
I am wondering how do they do that trick?
So, let me take a guess.
Facebook is probably using some RSS feed aggregator to pull the info from YouTube.
They probably are also using maybe jQuery + CSS to hide the video at first. When you click the thumbnail it shows the video and then the video begins playing.
So, two questions: if that is how they do it then How do they make the hidden video not play when the page loads? how do they get it to start playing automatically once the video is revealed?
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Oct 29, 2009
The following javascript loads after the page loads. Is there a way to change this onload function and make it work as the page is loading?The javascript is meant for mousewheel scrolling for a horizontal website. The website I am using this for has a fixed width - 29000px
Code:
*/
window.onload = function() {
tinyScrolling.init();[code]...
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Sep 23, 2010
I have long html/CSS (no CMS or php, etc.) web pages. Some people run away when they see too much content on a page. So I hide the large lower section of the pages and have the user click anchor text to execute simple JS code to change the display from 'none' to 'block' or back to re-hide.
Code:
(BTW my research indicates that search engines do not know the difference between display='none' and normal content, or I would not be hiding content in the first place.)
Within this hidden content, I have anchor text to provide name handles
Code:
So users can click a link and go directly to that section. Within that link I include
Code:
So that works fine within a particular page. But when I want to link to an anchor on another page which is within this hidden content, the browser cannot display the anchor text because it is still hidden.
Is there a way to execute the JS code to change the DOM, changing the display to 'block' on the content of the new page?
I do not see how, because the new page isn't loaded yet, there is no DOM within the browser yet, so how can it be manipulated?
Of course if I was using php I could generate the code with the property set as desired. But for straight up html/CSS/JS pages is this possible?
I get the feeling I am missing something simple here, either a simple solution or the simple fact that this is just an inherent limitation of html.
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Nov 3, 2009
I'm having probs with append(). When the page loads I add a function to certain images:
But after appending a now row, with a similar image, the onclick function on that row doesnt work, seems like it needs to be reinitialized or something.
I tried making a function of:
But when I call that function after appending, the new image is not clickable and the images that were already there, get an extra function on click.
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Jul 7, 2010
I've ran into a little problem when using resize() function in jQuery as I am trying to call a function after the document loads and later on should window resize occur, but I can't really figure out use jQuery syntax to do the both at the same time within a function.
Here's a example:
$(document).ready(function() {
doScript();
$(window).resize(function doScript() {
// do stuff
});
});
So it is possible to give an instance name to this (resize) function and call it just once after the page loads?
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Dec 2, 2011
It seems like when I load javascript code into a page, that each item I add, such as an accordian vertical navbar, image slider, etc, that each time I add one, the page loads a second or so slower with each one added. I would like some of these features, but is this just a part of life, or are there tricks to avoid the slower load time? It is not major time but after the 2 items I mentioned, it added on about 2 seconds.
I read that $(document).ready(function() might slow me down but I do not see that statement in any of my .js files.
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Oct 24, 2010
I want to make a page which loads the div's with ajax The html code of the page is
Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
//styles and other script code
<script language="javascript" src="../js/intro.js"></script>
</script>
[Code]....
Now the problem is that javascript "freezes" and setInterval does not work.. Is there any solution to load the files order such i have it in code one-by-one and run the message function?
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Jan 24, 2006
i have an html page that when it loads theres an onLoad event called which calls a function.now what i want to do is be able to click a link that refreshes the page but at the time on the refresh it skips the onLoad event. is this possible?
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Jun 14, 2011
how to do a custom lazy load ???You know for instance... lets say I got 500,000 images to load on a page... it's inside a dive... well I want to load the images when it's needed.So not all 500,000 images will load all at once. I want like 10 to load at a time.. this will make the div scrollable.so when the user scrolls down to the 8th image it will load 10 more images and so on.
how to make their own function like this?how do you detect if the user scrolled to the 8th image? I am pretty sure I can use a function.... that will send variables to a php script that will use the mysql limit. The javascript would send a value which is where to start loading from the 10th image in the database.. meaning start grabbing the images from the 11th image onward for a max of 10 total images to display.
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Apr 2, 2010
I have made a javascript image viewer where there are thumbnails at the top and when you click on them the bigger image below the row of thumbnail image changes accordingMy question is, how do i make the larger image become a hyperlink to the corresponding page it represents. Alternatively, it would not be a problem if a caption could be displayed below which i could make into a hyperlink.Here is my script .js file
function img1click() {document.IMG.src="imagelibrary/dazzlebig.jpg";}
function img2click() {document.IMG.src="imagelibrary/gunshotbig.jpg"}
function img3click() {document.IMG.src="imagelibrary/searoombig.jpg"}
[code]....
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Feb 21, 2009
I am writing a Javascript to sort and write out some stuff. PHP is not an option so I need to get this script working.
The problem arises when I want to make a link to the next page. (i.e. Like the link in Google for the next 10 results)
I have <a href=# onclick=FUNCTION(VALUES)> written dynamically by the script.
It is written onto the document correctly, but the problem is, when the link is clicked, some seemingly random values are passed to the function.
When you run the code, the first alert will show all the values that a were passed to the function. The second and third will show what was written to the document.
If you try clicking the next button after the code loads, the values that result will be unusual.
<script>
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Apr 14, 2007
i need to do a click on a picture in an iframe without using a mouse
click because this iframe is not visible.
Thus i wrote this :
function updtframe() {
strButton = document.getElementByName("submit").value;
document.getElementById("htmle").contentWindow.document.body.innerHTML
= strButton...;
}
And there I'm stopped idon't know how to make a click.
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May 19, 2010
I am looking for a way to show a picture on a page before the page loads.
for example. I already have a page but I want to show the visitors a image for 5 seconds before they can see the rest of the page.
Is this possible an if so how can I get it.
Maybe a script or a link where I can find it.
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Aug 20, 2010
How to execute function after div loads
heres my function, if div exists return "true", now how to use chkObject('div') do loop until return true?
Code:
function chkObject (theVal)
{
if (document.getElementById(theVal) != null)
{
[Code]....
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Feb 5, 2010
I'm currently working on a site where we pull in information from an RSS feed and then use a script to rotate them. The problem that I'm coming up against is if the RSS takes a while to load the script is throwing an error.
The RSS feed is being pumped out as list items so if the li isn't found that's when I receive the error. I thought a while loop maybe the answer to this but I'm unsure about how to implement it. I've attached the function below.
$(window).bind('load', function() {
$(function() {
$(".scrollingnews").jCarouselLite({
vertical: true,
[Code]....
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May 14, 2009
I have some code which toggles the content on the page. This works fine but I need the first div to be showing when the page loads and its tab to have a selected state.
<html>
<head>
<title></title>
<style type="text/css">
img {border:none;}
#tab-nav {
padding: 0px 0 0px 110px;
height:41px;
[Code]...
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Jun 6, 2010
i have a javascript bookmark to log me onto my schools site[URL].. it works fine if the page is already open, but with using the link to open the page, it runs the remaning script before the page loads and it doesn't work. is there any way to fix this withou using setTimeout()
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Sep 14, 2011
where a div slides onto the screen as soon as a page loads.
My client wants something like this: [URL] (without parallax or the fade-in) but I refuse to do it in Flash, obviously.
I have this gallery here: [URL] The div id is wrap.
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Jan 30, 2007
<BODY onload="window.scrollTo(x,y)">
However I am linking to Google Images so I can't modify their page
code.
Is there a way to link from frame a to frame b so that the javascript
in frame a decides and controls at what position the page will load?
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Apr 20, 2011
To begin, I'm a novice at this. I'm using 2 JQuerys on a page -
[Code]...
The first fades a page in and out when loading. The second 'smoothly' scrolls the page down to anchor text in the page. The problem is that the 1st script 'overpowers' the second, so when you click on an anchor text link it starts to 'smoothly scroll down, then the first script kicks in an re-loads the page. Is there a way of stopping the first script if the second one is being used?
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Jan 9, 2010
When the DOM is ready you can write:
Say now, you want to try and do some animation done by default, in the below example I have done some animation only when the user do mouse over, how can i do that by default as in when the page loads.
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Sep 14, 2011
Currently, I have code which fires a css class upon clicking a link like this:
Code:
<a href="http://www.google.com/">
<span class="frontbox" </span>Iframe example </a>
How can I fire this "frontbox" class when page loads, rather than having a visitor click the link?
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Feb 13, 2009
I have a hotspot on an image that when the user moves their mouse over it makes some text appear from 0% to 100% opacity.
This function works fine, but when the page loads for the first time the text is already displayed. So Im wondering how to set the initial opacity of the text to 0% so its hidden until activated?
Heres the code I have at the moment (relevent parts in orange):
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
[Code]....
I guessed by adding "sampletext2=hide" to the top but this did no good!
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May 2, 2009
I have a text box to which I give focus when a page loads. There is more than one submit button on the form. When I enter something in the textbox then hit Enter the first submit button on the form is activated. Is there some simple code I can use to shift focus to the submit button I want as I press Enter?
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Dec 15, 2009
Does anyone know what's wrong with this code because when the page loads, the link is not being hidden
window.onload = setTarget;
function setTarget()
{
var theLinks = document.getElementsByTagName('a');
for(var i = 0; i < theLinks.length; i++)
{
if(theLinks[i].getAttribute('href') == '/subjects/new')
[Code]...
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