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JavaScript - Position Fixed Onclick Then Absolute Onscroll
I have created a lightbox for user display on my site. The lightbox is triggered by an onclick link. Works great but I would like to make one switch to it.
I would like the lightbox to appear position:fixed; top:10px; onclick. Then if the user scrolls I would like the lightbox to appear position:absolute; top:10px; You can see an example of this here on ESPN's website http://search.espn.go.com/first-take/videos/6. If you click any video it appears position fixed onclick but then position absolute on scroll. This is what I have so far. It shows it all position fixed onclick as I desire, but stays that way on scroll. PHP Code: <a href = "javascript:void(0)" onclick = "document.getElementById('light<?php echo $count;?>').style.display='block'; document.getElementById('light<?php echo $count;?>').style.position = 'fixed'; document.getElementById('light<?php echo $count;?>').style.top = '10px'; document.getElementById('fade<?php echo $count;?>').style.display='block'"> ... [link] ... </a> PHP Code: <div id="light<?php echo $count;?>" class="log-lightbox-content-wrapper"> ... [lightbox content] ... </div> PHP Code: <style> .log-lightbox-content-wrapper {display: none; position:absolute; top: -45px; left: 50%; margin-left: -456px; width: 900px; padding: 16px;background-color: white;z-index:1002; overflow: auto; border-color:#666; border-radius:5px; border-style:solid; border-width:5px; min-height:600px; height: auto !important; height:600px;} </style> Progress: http://instride.info/admin - Click tab that says log - Then click any log post to view light box Similar TutorialsI'm new to javascript and am not sure why this works in firefox and not chrome. I am trying to create a script that keeps an object fixed horizontally while bing positioned absolute vertically. if I replace the toPP variable in document.getElementById('fire').style.top = toPP; with say '50px' it will move the element down 50 pxs, but how I have it currently it doesn't do anything in chrome Code: <script type="text/javascript" >
window.onscroll = function()
{
if( window.XMLHttpRequest ) {
var x = 0 -document.documentElement.scrollTop;
var toP = String(x);
var toPP = toP + "px";
document.getElementById('fire').style.position = 'fixed';
document.getElementById('fire').style.top = toPP;
}
}
</script>
I need to convert a position:fixed element to position:absolute when the user resize their browser window below 1000px. Right now it does nothing. The element always keeps the fixed positioning even after resizing the window. Here's what I have right now: Code: <!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
<head>
<base href="http://www.area51entertainment.co/" />
<title>Emoto <?php echo "$section"; ?></title>
<meta charset="UTF-8" />
<meta name="verify-v1" content="" />
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="Andrew McCarrick" />
<meta name="robots" content="index, follow" />
<style type="text/css">
body,html {
background: #FFFFFF; /* Old browsers */
color: #000000;
font-family: Verdana;
margin-right:auto;
margin-left:auto;
max-width:1000px;
padding: 0px;
margin-top: 0px;
margin-bottom: 0px;
}
</style>
<link rel="stylesheet" href="emoto/style.css" media="screen" />
<link rel="shortcut icon" type="image/x-icon" href="/favicon.ico" />
<link rel="apple-touch-icon" href="http://www.area51entertainment.co/TouchIcon.png" />
<link rel="apple-touch-icon-precomposed" href="http://www.area51entertainment.co/TouchIcon.png" />
<link rel="image_src" href="./logo.png" />
<script language="javascript" src="emoto/float.js"></script>
</head>
<body>
<div class="wrapper">
<div id="header_float">
<div class="header_wrapper">
<div class="logo">
Picture
</div>
<div class="links">
Home | Settings | Notifications | Requests | Messages | Search Bar
</div>
<div class="links_right">
Profile Link/Sign-Out
</div>
</div>
</div>
<div class="content_wrapper">
Test2Test2 Test2Test2Test2 Test2Test2Test2 Test2Test2Test2 Test2Test2Test2
Test2Test2Test2 Test2Test2Test2 Test2Test2Test2 Test2Test2Test2
Test2Test2Test2 Test2Test2Test2 Test2Test2Test2 Test2Test2Test2 Test2Test2Test2
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est2Test2Test2 Test2Test2Test2 Test2Test2Test2 Test2Test2Test2 Test2Test2Test2 Test2
</div>
</div>
</body>
</html>
style.css Code: a:link {color: #FFFFFF; text-decoration: none;}
a:visited {color: #FFFFFF; text-decoration: none;}
a:active {color: #FFFFFF; text-decoration: none;}
a:hover {color: #3399FF; text-decoration: none;}
.wrapper{
min-height: 2000px;
min-width: 1000px;
}
#header_float{
width: 100%;
min-width: 1000px;
height: 35px;
left:0;
right:0;
top:0;
position: fixed;
background: #49963A;
z-index: 1000;
}
.header_wrapper{
width: 1000px;
height: 35px;
margin-right:auto;
margin-left:auto;
padding: 0px;
margin-top: 0px;
margin-bottom: 0px;
color: #FFFFFF;
}
.logo{
float: left;
width: 150px;
height: 25px;
font-size: 26px;
position: relative;
top: -1px;
left: 8px;
}
.links{
float: left;
width: 670px;
height: 25px;
position: relative;
top: 7px;
}
.links_right{
float: right;
width: 180px;
height: 25px;
position: relative;
top: 7px;
}
.content_wrapper{
position: relative;
top: 35px;
width: 995px;
min-height: 450px;
}
img{
border: 0px;
}
float.js Code: if (screen.availWidth<=999)
document.getElementById('header_float').style.position = 'absolute';
else
document.getElementById('header_float').style.position = 'fixed';
Hello everyone! I just thought this might require some javascript, so I posted this here. Anyway, how do I create an element that is absolutely positioned first, and then, when it goes to the top of the page, it becomes fixed? Thanks Lucas Hi, Im having a weird issue... I am using position absolute to stick a table header to the top of a div. In the screenshot, under the menu is a div, the buttons and drop downs are at the "top" and grid starts from half way down, now when user scrolls till header is out of view i show the header at the "top" with position absolute. then when user scrolls back down and onto original position the buttons and drop downs are now again at the top exactly at the position where the header was shown, once the header has been shown all the buttons and the drop down are no longer clickable, i.e. there is no reaction, no dropdown shown and no click... whats happening is that IE is thinking that that area at the top where the header was is now invalid, or still occupied by the header or something like that? Its like the buttons and drop downs are kind of "behind" the area where the header was therefore nothing is clickable... And proof of this is that i gave some <BR> spacing to the buttons and drop downs so that they are not at the up most, but halfway down... and things work fine... whats IE up to? or is there some coding i need to do... below is the code for the header to float [it may be coz when the header is not to be shown i set the position to ' ', but i have tried with relative, fixed and static as well to no avail...] Code: <script language="javascript" type="text/javascript">
var floating_header = function() {
this.header = document.getElementsByTagName('THEAD')[0].getElementsByTagName('TR')[0];
this.getXY = function(o) {
var y = 0;
var x = 0;
while (o != null) {
y += o.offsetTop;
x += o.offsetLeft;
o = o.offsetParent;
}
return { "x": x, "y": y };
}
this.setheader = function() {
if (window.header == undefined) {
floating_header();
}
var screenpos = this.scrollTop;
var theady_max = window.getXY(window.table_obj.getElementsByTagName('THEAD')[0]).y + window.table_obj.offsetHeight;
if (screenpos > window.theady - 100 && screenpos < theady_max) {
window.header.style.position = 'absolute';
window.header.style.top = this.offsetTop;
window.header.style.display = 'block';
window.headerOffsetTop = this.offsetTop;
}
else {
if (screenpos != undefined && window.header != undefined) {
window.header.style.position = '';
window.header.style.top = '';
window.headerOffsetTop = undefined;
window.header = undefined;
}
else {
if (window.headerOffsetTop) {
window.header.style.position = 'absolute';
window.header.style.top = window.headerOffsetTop;
window.header.style.display = 'block';
}
}
}
}
document.getElementById("divcn").onscroll = this.setheader;
this.table_obj = document.getElementsByTagName('THEAD')[0].parentNode;
this.theady = this.getXY(this.table_obj.getElementsByTagName('THEAD')[0]).y;
};
floating_header();
</script>
FIXED Hi, I'm trying to this script: http://www.lukescoates.com/designs/plusimageviewer.js to display an enlarged image when a thumbnail is clicked - the page in question is: http://lukescoates.com/designs/portfolio.php. It seems to be working for the most part, however, when I first load the page, sometimes the "View Full Image" buttons don't align with the images, they bulk up together: http://screencast.com/t/r1cauKx6X When I reload the page, they align properly. The next problem is that when I first click on the "View Full Image", the popup is not centered on the page: http://screencast.com/t/4LYou1WfXXJ If I click it a second time, it centers perfectly. Any suggestions? The CSS also associated with this is: http://lukescoates.com/designs/plusimageviewer.css Really appreciate any help! Luke FIXED I'm an experienced programmer (c, perl , python, bash) but absolutely newcomer with Javascript. The code I'm experimenting with is shown below. What I'm trying to do at this point is define a function in a script section in the head of my html page, then call that function in the onclick action of a form button. Sounds trivially simple, but for some reason it isn't doing what I expect. The eventual result will be that the Javascript will launch a Silverlight video player using the values supplied by the end user, but for now I just want to get the basic buttons to work <code> <html> <head> <title>Silverlight player</title> <script type="text/javascript"> var vProto; var vServer; var vStream; function showMe() { alert("In the function"); vProto = document.getElementById('proto').value; vServer = document.getElementById('server').value; vStream = document.getElementById('stream').value; return false; } function alertMe() { alert(document.getElementById('server').value); return false; } </script> </head> <body> <div id="dataEntry"> <form name="dataForm"> <table align='center'> <tr> <td>Protocol:</td> <td><input type="text" id="proto" title="HTTP, RTSP, MMS"></td> </tr> <tr> <td>Server:</td> <td><input type="text" id="server" width='45'></td> </tr> <tr> <td>Stream:</td> <td><input type="text" id="stream"></td> </tr> <tr> <td colspan='2' align='center'> <input type='button' value='Monitor' onClick="showMe(); return false"> </td> </tr> <tr> <td colspan='2' align='center'> <input type='button' id='alert1' value='Alert!' onClick="alert(document.getElementById('server').value);"> <input type='button' id='alert2' value='Alert!' onClick="alertMe();"> </td> </tr> </table> </form> </div> <div id='report'> <script type="text/javascript"> document.write("Playing Silverlight stream at " + vProto + "://" + vServer + "/" + vStream + "<br />"); </script> </div> </body> </html> </code> So, what embarrassing simple thing did I leave out? I'm trying to find a script that will scroll text past fixed position sandbag divs. I want the text to flow around an image as it scrolls. It's easy to do the wrap around the image part. I can't seem to find anything that will continue wrapping the content of your site around the fixed background as you scroll though. Did that make sense? Hello everyone, I just stumbled across this forum and thought maybe someone here could help me with a few coding alterations. I would like to position the rss feed selection fields on this feed output so I can scroll the feed with the selection fields remaining stationary. Code: <link rel="icon" type="image/png" href="rss_include/feed-icon-red.png">
<style language='text/css'>
@import url('rss_include/style.css');
</style>
<script language="javascript">
var XMLHttpRequestObject = false;
var img = new Image();
img.src = "rss_include/loading.gif";
if ( window.XMLHttpRequest )
XMLHttpRequestObject = new XMLHttpRequest();
else if (window.ActiveXObject)
XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
function changeOptions()
{
LoadFeed();
}
function LoadFeed(value, initial)
{
if ( XMLHttpRequestObject )
{
var dsource = "rss_include/ajax.php?loadfeed";
if (value)
dsource += "=" + value;
else
{
var val = document.getElementById("rss_feed").value;
if ( val == "" )
document.getElementById("rss_feed").selectedIndex += 1;
dsource += "=" + document.getElementById("rss_feed").value;
}
dsource += "&fulltext=" + document.getElementById("showtext").checked;
dsource += "&showimages=" + document.getElementById("showimages").checked;
XMLHttpRequestObject.open("GET",dsource);
XMLHttpRequestObject.onreadystatechange = function()
{
if ( XMLHttpRequestObject.readyState != 4 )
{
document.getElementById("rss_div").innerHTML = "<center><img class=\"loading\" src=\"" + img.src + "\"></center>";
}
if ( XMLHttpRequestObject.readyState == 4 &&
XMLHttpRequestObject.status == 200 )
{
document.getElementById("rss_div").innerHTML = XMLHttpRequestObject.responseText;
}
}
XMLHttpRequestObject.send(null);
}
}
</script>
<?php
require_once("rss_include/config.php");
function LoadFile($xml_file)
{
$xml = null;
if ( !file_exists($xml_file) || !($xml = simplexml_load_file($xml_file)) )
{
echo '</select>';
echo "Error opening XML feeds file: $xml_file<br>";
return;
}
return $xml;
}
function ShowFeedOptions($xml_file)
{
echo '<select id="rss_feed" onChange="LoadFeed(this.value)" title="GuyWMustang.com RSS Reader">';
$xml = LoadFile($xml_file);
if ( $xml == null )
return;
$url = array();
foreach($xml->feeds->category as $category)
{
echo "<option value=\"\">" . $category['name'] . "</option>";
foreach($category->feed as $feed)
{
if ( $feed['name'] != "" )
{
// Add a spacing to the feeds
$name = " " . $feed['name'];
$url = str_replace("&", "%26", $feed['url']);
$url = str_replace("http://", "", htmlspecialchars($url));
echo "<option value=\"$url\">" . $name . "</option>";
}
}
}
echo '</select>';
$options = array();
$rss = $xml->options[0];
if ( strcasecmp($rss['fulltext'],"true") == 0 )
array_push($options, "true");
else
array_push($options, "false");
if ( strcasecmp($rss['images'],"true") == 0 )
array_push($options, "true");
else
array_push($options, "false");
return $options;
}
function SetOptions($options)
{
if ( sizeOf($options) == 2 )
{
echo "<script>document.getElementById(\"showtext\").checked = " . $options[0] . ";</script>";
echo "<script>document.getElementById(\"showimages\").checked = " . $options[1] . ";</script>";
}
}
if ( isset($_GET['links']) )
{
$xml = LoadFile($xml_file);
if ( $xml == null )
return;
// end the link editing
return;
}
?>
<div class="container" id="container_div">
<a name="top"></a>
<div class="header_div">
<div style="display:run-in;float:left;">
<font class="graytext">RSS Feed:</font>
<?php $options = ShowFeedOptions($feeds_xml); ?>
<input type="checkbox" id="showtext" onChange="changeOptions(this)" checked><font class="graytext">Show Full Article Text</font>
<input type="checkbox" id="showimages" onChange="changeOptions(this)" checked><font class="graytext">Show Images</font>
</div>
<?php SetOptions($options); ?>
</div>
<div class="rss" id="rss_div">
<script>LoadFeed(document.getElementById('rss_feed').value, true);</script>
</div>
<!-- <p style="padding:0px;margin-right:2px;margin:0px;" align="center"><a class="top" href="#top">Top</a></p> -->
</div>
<-- CSS BELOW --> Code:
body
{
overflow: auto;
font-family: arial;
}
div.header_div
{
position: relative;
/*background-color: #EFEFEF;*/
width: 100%;
overflow: auto;
margin: auto;
}
div.container
{
/*border: 1px solid black;
background-color: #EFEFEF;*/
position: relative;
margin: auto;
display: block;
overflow: auto;
/* SPECIFY HEIGHT & WIDTH AS DESIRED */
height: 90%;
width: 80%;
}
div.rss
{
width: 99%;
margin: 2px;
background-color: tan;
position: relative;
/*border: 1px solid black;*/
}
img.loading
{
position: relative;
margin-top: 50px;
}
a.rss_link,a.rss_link:active
{
display: inline;
color: blue;
}
a.rss_link:hover
{
color: #BBBBFF;
}
a.rss_link:visited
{
color: black;
}
a.top,a.top:active {
text-decoration: none;
font-size: 10pt;
display: inline;
color: black;
}
a.top:hover {
text-decoration: underline;
color: brown;
display: inline;
}
font.graytext
{
font-size: 10pt;
color: #444444;
}
font.rss_title
{
font-size: 12pt;
font-weight: bold;
text-decoration: underline;
}
font.rss_date
{
font-size: 9pt;
font-weight: normal;
color: black;
display: block;
}
font.rss_description
{
font-size: 12pt;
color: blue;
}
select
{
color: black;
font-size: 10pt;
background-color: #EAEAEA;
}
any help would be greatly appreciated.....thanks So I've done a ton of research and tried every fix I could think of (jQuery fixes, htc behaviours, etc) and nothing has worked. It seems most of the fixes are built for just changing the background color. I just can't get it to work in IE6! Even if I just got the Javascript to change the state without rollovers (for IE6) that would be okay. The way it's setup is that there's an image in 3 states in it (inactive, rollover, active), setup on the y-axis. So when a user rolls over it shoves the background down 111px to show the rollover, etc. I know IE6 doesn't support hover on anything except anchors. This works in IE 7/8 FF 2/3 Safaris and most likely everything else: http://www.muchomungo.com/CrowdTwist..._template.html Relevant CSS Code: li {
list-style:none;
float:left;
}
ul {
list-style:none;
margin:0;
padding:0;
}
ul#toolbar a {
height: 111px;
display:block;
text-indent:-9999px;
font-size:0px;
line-height:0px;
outline: none;
}
#toolbar li.unselected:hover {
background-position:0px 222px;
}
#toolbar li.selected {
background-position: bottom;
height: 111px;
z-index: 10;
}
#toolbar li.unselected {
background-position: top;
margin-left:0px;
}
CSS file JS Code: var currentSection = 'dashboard';
var newpane = function(gotoLink){
if (currentSection == gotoLink) {
return;
}
lastSection = currentSection;
currentSection = gotoLink;
// Change the section highlight.
// Extract the root section name, and use that to change the background image to 'top', revealing the alt. state
document.getElementById(currentSection).className = "selected";
if (lastSection) {
document.getElementById(lastSection).className = "unselected";
}
}
Thanks for any help! Hello, So I have two pieces of Javascript attached to my open/close text boxes. One for the visibility function: Code: <script type="text/javascript">
function toggle_visibility(id) {
var e = document.getElementById(id);
if(e.style.display == 'block')
e.style.display = 'none';
else
e.style.display = 'block';
}
</script>
The other for changinging the image to reflect the text box's status (open of closed): Code: <script type="text/javascript">
var ImgPath='../images/portfolio/';
function changeImage (id) {
var tab = document.getElementById(id);
if (tab.src.match('open.png')) {
tab.src = ImgPath + 'close.png';
}
else {
tab.src = ImgPath + 'open.png';
}
}
</script>
The problem only shows further down the page, when I click to open a box it automatically goes back to the top of the page instead of staying at the user's current page position I would like it to stop changing the page position onclick. Any help would be much appreciated! Hi, So here is my problem. I have a main image that has a bunch of images (e.g., stars) on top. I place the stars in absolute positions on top of the main image. If a user resizes the brower, then the position of the main image changes, so then the stars are off position (not on top of the main image). Should I: 1) make the main image be in an absolute position? or 2) do something else such that the main image moves around if the browser is resized? but then I don't know how to re-adjust the positions of the stars on the fly. Hi, I'm in need of a little help if possible please.... I would like to know if its possible to 'show' a div with the onscroll function with a javascript code? Basically, I scroll to the body position of 800 and it displays the div object. Hope ive explained correctly. Any help is hugely appreciated. Kind regards, paffley Hello. I am getting to learn JavaScript, and as for my first personal project, I would like to have a page with some text on it and when the user scrolls, a div containing a picture will move with the user when they scroll. I have found a solution, however, I do not like it. Code: <html>
<head runat="server">
<title>Test</title>
<link type="text/css" href="Main.css" rel="Stylesheet" />
</head>
<body class="mainbackground">
<div id="group">
<div id="sizer" class="sizeholder"></div>
<div id="image" class="image"></div>
</div>
<form id="form1" runat="server">
<div>
<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
</div>
</form>
<script type="text/javascript" >
window.onload = function () {
onscroll = function () {
var scrollevel = document.body.scrollTop;
if (scrollevel == 0) {
if (window.pageYOffset)
scrollevel = window.pageYOffset;
else
scrollevel = (document.body.parentElement) ? document.body.parentElement.scrollTop : 0;
}
scrollevel = scrollevel + 250;
document.getElementById("sizer").style.height = scrollevel + 'px';
}
}
</script>
</body>
</html>
As you can see, it works by getting the scroll position and adding 250, to a height property-element above the image div. I have tried to use document.getElementById("image").style.top = scrollevel + 'px', but it does not work. Any ideas??? Anyone have any idea why my position:fixed is being recognized by IE??? It's an embedded link: <font face="gill sans"><a href="#sect1" title="test" style="position:absolute; top:100px; left:40px; text-decoration: none; color: gray; font-size: 15; target="_blank">OUR GOALS</a></font> It works fine in Safari and Firefox... geesh! Hi, I'm working on a blog design. (See code below.) I'd like to fix #title vertically so that when people scroll down the blog, it stays in view in the window. I couldn't think of a CSS way to do it. Using position:fixed doesn't work because if someone is viewing the site from a netbook, or simply from a downsized browser on their normal computer, #title is either cut off -- if it's positioned relative to the left -- or it overlaps the blog content -- if it's positioned relative to the right. I've read suggestions to use Javascript but my Javascript skills are practically non-existent. The suggestions were to use an onscroll handler, and to use scrollTop. This is what I wrote but (probably for obvious reasons) it isn't working: Code: window.onscroll = verticalFix();
function verticalFix() {
var sidebar = document.getElementById("title");
sidebar.style.top = .scrollTop(30);
}
Any advice? Also, .scrollTop is jQuery, right? So I have to link to jQuery? How do I do that, again? Thanks for your help! Here's my html and css: Code: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<style type="text/css">
body,p,#title {
padding:0;
border:0;
margin:0;
}
body {
height:100%;
background-color:#fdf5a2;
min-width:1056px;
}
#content {
width:700px;
padding:15px;
border:0;
margin:0;
margin-left:16px;
background-color:white;
background-image:url('');
background-repeat:repeat-y;
}
#title {
background-color:white;
background-image:url('');
background-repeat:no-repeat;
position:absolute;
left:755px;
top:30px;
height:151px;
width:292px;
}
</style>
</head>
<body>
<a href=""><div id="title"> </div></a>
<div id="content">
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I'm currently working on a project and I am doing a bunch of image switching. I'm having a problem with the following... I have seven medium image objects and one small one. One is at the top and the other 7 are below. When one of the 7 is clicked, it then becomes the one up top and the one up top then takes the place of the image clicked. This needs to be able to happen no matter which of the seven i click. Also when you click one of the seven it runs a script to change 9 other images in the center of the page. this isnt too important because i have it working already. What i have is, each of the seven images run their function that changes the 9 center images and then it runs another function. What i need is for that function to determine which company for example(shaws, lowes, target) the top image belongs to and replace the image that was clicked with the top one. But i also need to replace the NAME="" and ONCLICK="function()" with the proper ones for the original company up top. Please if you can understand what im trying to do let me know, if you need further clarification i can do so. i can draw a picture of what im trying to do or the layout if needed but i cant necessarily show anyone the project due to a non-disclosure. Is it possible disable an onclick after clicking it and then enable it from another onclick by id Code: <img id="one" href="images/homepage/sliders/bonus_button.jpg" style="position:relative; top:30px; left:50px; height:30px; width:70px; float:left;"> This code runs when it is clicked: Code: $("#one").click(function() {
runEffectB();
return false;
});
What I would like to happen is for either runEffectB() to not run if it was just run or to disable the #one.click once it has run. I am assuming I will be able to re-enable it from another onclick running a similar function. This is jquery and jquery ui if that helps. Any ideas much appreciated. Hi there, am working on an assignment to replicate the caesar cipher. i've written a function to move the cipher text one postion to the right and it works. i'm now trying to write another function that calls on the first where the signal character and index character do not match. The function then returns a new array. Here is the first function and it's test call: Code:
function right(letterArray)
{
var lowerArray = new Array(letterArray.length);
for (var letter = 0; letter < letterArray.length; letter = letter + 1)
{
lowerArray[letter] = letterArray[letter - 1];
if(letter == letterArray.length - 1)
{
lowerArray[0] = letterArray[letterArray.length - 1];
}
}
return lowerArray;
}
function testTask02()
{
right(cipherArray)
window.alert(right(cipherArray));
// calls the right() function with cipherArray, an array of lower case
// characters as an argument.
// displays the return value in a dialogue box.
}
And here is the bit i'm having trouble with: Code: function rotateToPosition(signalCharacter, indexCharacter, plainAlphabet, cipherAlphabet)
{
var resultArray = new Array(cipherAlphabet.length);
for (var copy = 0; copy < cipherAlphabet.length; copy = copy + 1)
{
resultArray[copy] = cipherAlphabet[copy];
resultArray[indexCharacter] = resultArray[copy];
}
var signalPosition = signalCharacter;
for (var position = 1; position < plainAlphabet.length; position = position + 1)
{
if (plainAlphabet[position] == plainAlphabet[signalPosition])
{
signalPosition = position;
}
}
while (resultArray[indexCharacter] != plainAlphabet[signalPosition])
{
right(resultArray);
}
return resultArray;
}
function testTask03()
{
rotateToPosition('A', 'g', plainArray, cipherArray)
window.alert(rotateToPosition('A', 'g', plainArray, cipherArray));
// calls the rotateToPosition() function with signal character,
// index character, an array of upper case letters and an
// array of locwer case letters as arguments.
// displays the return value in a dialogue box
//TO DO TASK 3 (iii)
}
Been working on this for hours and my brain is fried! If anyone can point me in the right direction that would be awesome. Many thanks First off by let me stating that I am not a great web devloper nor am I a good with css / javascript. I am creating this website for a friend of mines company and I have one problem. The problem is that the navigation menu on the right side will not remain fixed how i want it to be. I spoke with many people and they all said that this cannot be done with css considering your layout and because it needs to dodge the headers and the footer. I basically want this div (sidenav on the right) to scroll along the page as users scroll up or down but it can not interfere with the header or footer. Could someone please post an example or if anyone has the time please tell me exactly what code I need to add to get this to work? keep in mind that i do not want the right side navigation to go over the content or out of the wrapper. I want it to stay in the same position in all aspects - left / right / top / bottom. Here is a link to the site http://www.collisionbodyworks.com/Pl...tic/index.html Any help would be greatly appreciated. Thank you in advance |
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