Incorporating Previously Set Value Into Existing JS Function?
Aug 13, 2010
I have an existing JavaScript function that cycles through a bunch of colors depending on how many clicks of the mouse made.The all works fine, but I have since my code a little more complex, so now the colors are remembered once the user goes back to this page.. this is done with PHP and mySQL. The problem is that, once they go back the color may be red (2nd in the cycle), meaning next click they would expect to see orange, but the click counter is back to 0 so they actually see green.The code is:
Code:
<script type="text/javascript">
function countClicks (obj){
[code]....
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Mar 24, 2006
I have a function I call to see if people leave form fields empty. I have been asked by a client to check to make sure of the person's date of birth as well. They gave me the script, however, I am unsure how to do implement it. How do I add this to my existing checks? Code:
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Aug 12, 2009
A question for a jQuery expert. I'm more familiar with Prototype, but I've been using jQuery a lot recently and needed to find out how something is done, jQuery style Prototype has a rather handy wrap() function which lets you wrap an existing function within another function. It lets you attach code to be executed before or after an existing function is called.[URL]...
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Dec 4, 2009
Does anyone know how I could integrate this jquery plugin into wordpress?I'd like to use wordpress for posts etc and then set up two pages within wordpress to act as galleries (using this jquery gallery on each page). I'm sure it'd be possible, just need some tips on how to go about it.
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Aug 11, 2010
With the code pasted below prints three different dates as outputWednesday, August 11, 2010hursday, August 12, 2010 Friday, August 13, 2010The code displays todays date, tomorrows date, and the following day code also excludes weekends.The problem I am having is being able to take each date and place it as an <option value = in an html drop down list boxIs there anyway I can incorporate these dates as option values in a list box for the user to selectHere is the JavaScript code below
<!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">
[code]....
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Feb 11, 2010
I came across Marijn's helper function again called forEach. It does just what it sounds like it does, and is one of those things one would consider adding to their own personal little library like getElementsByClassName...My question is, I've heard/seen that Mozilla (and only Mozilla at this point) indeed HAVE a forEach function, and I do most of my beginning testing in a recent-stable Mozilla browser, so I'm not 100% sure but I think the Mozilla forEach might work... what happens if I write my own and I keep the name?
So if there's some default forEach that the browser natively understands, and then I have a function in my lib that has the same name, does mine take precedence over the native one, or not? Is it just safer giving libraries slightly weird names so new in-built functions can't possibly interfere?So also, if later browsers end up implementing the newer Javascript (2?) that as I hear, will implement a getElementsByClassName, would this break, or ignore, everyone's pre-made getElementsByClassName, assuming they are called the same name?
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Jun 26, 2009
I'm using a script I've found that adds a bullet to links on a page:
<script type="text/javascript">
/***********************************************
* Bullet Link script- � Dynamic Drive DHTML code library (www.dynamicdrive.com)
[code]....
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Sep 18, 2011
modifying an existing function which controls the highlighted states of a multi level js accordion menu. I have had to use javascript due to certain css elements not working in safari browsers.My problem is due to the multi level aspect as when a sub link is clicked, the parent link above it then deselects. I need the parent link to stay active when its sub links are clicked and only deselects when a link outside of that list is clicked upon.I understand the theory of adding a conditional statement but simply don't know how to apply it correctly within the functionHere is the existing function which tells a link to be active or selected:var Lst;
function CngClass(obj){
if (Lst) Lst.className='.topnav';
obj.className='selected';
[code]....
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Dec 18, 2010
I hope you can help tweak a jQuery function...
If you look at this "fiddle":[URL]... (it was written by a friend of mine, Addy Osmani...you probably know him!)
[Code]...
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Aug 11, 2009
I'm trying to add a unix timestamp into an exisiting function, but am uncertain how you add the variable. I searched the boards here, and came across this example to convert a date to unix in javascript. var date3 = new Date(Date.parse("21 May 2009 10:03:20")); And I'm trying to add it to this: flashobj3.addVariable ("targetTime", $date3);
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Apr 24, 2010
I'm sure this is simple.Consider:
<div>
<div id="goodpage1">
</div>
[code]....
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Apr 24, 2010
I've got the following code inside a js function that highlights the table row (multiple, dynamic number of rows) onclick. But I'm trying to figure out a way to "unhighlight" that previously highlighted row back to what it was before the user clicked on it. Is it possible to save-off the "this" so that it's the "previous this" ? [code]...
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Nov 3, 2011
I eventually want to swap two elements. I've already determined the two buttons from each div. Now I want to swap the elements inside those two divs.
<script type="text/javascript">
var newcolorvalue = 0;
var starterPlayer = 0;
var benchPlayer = 0;
[Code]....
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Mar 16, 2010
I have a CMS that was built for our company website that relies on some JS to upload media through a regular browser directly to be displayed on our site. There is a button one clicks to upload video. When clicked the file browser on your computer is supposed to pop-up so you can choose the media you would like to upload.This button no longer is responsive on any of my 12 mac desktops in any common browser nor my mac laptop which is on a different OS X version.
Here is the script from the page:
[CODE] <script type="text/javascript">
var upload1;
window.onload = function() {
[code]....
And here is where the button lies in the page:
[CODE] <input type="button" value="Upload file (Max 200 MB)" onclick="upload1.selectFiles()" style="font-size: 8pt;" />[CODE]
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Feb 20, 2011
How to find out the previously selected option value in a select list?
For example: I have a list with 3 options
<select id="test">
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
</select>
When user select, for example, option 3, how can i find which was the previously selected option? etc... I've found some javascript example that evaluate "previousIndex" property of the select element but it doesn't work at all
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Jul 6, 2009
Unfortunately I don't know a great deal about javascript. I have used some to construct a collapsible menu on this site : [URL] Unfortunately what it doesn't do is close the previously opened menu item on opening the next. I hope that makes sense. Is there a onclick behaviour I can add to the li's to close any open list items. I downloaded the files and tutorial from here: [URL]
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Oct 4, 2011
So I have a table. With jquery I change border properties of several td. If later on in the code those same td have their background color changed by jquery, their borders return back.
Even if nothing is changed, nevertheless after some time some of the borders would seemingly randomly suddenly show up. I am working on a maze so this really spoils the game.
Code:
if($("crush",xml).text()=='1'){
border1=$("border1",xml).text();
border2=$("border2",xml).text();
[Code].....
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Dec 24, 2005
I am trying to open up a new window and then get the current url/location
back from the (win_1) window and display the url in an alert box.
Here is the code I am using :-
<script type="text/javascript">
var mywin_1 = open ("http://www.anysite.com/index.htm", "win_1",
"height=640, width=820, left=200, top=0, scrollbars, status, location");
var temp = mywin_1.location;
alert (temp);
</script>
Where am I going wrong?
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Jul 24, 2001
Determine what the previous page was that the user was viewing, even if the user arrived at my site by through the use of a browser function (history, location bar, refresh, etc.). Is this possible?
I'm not wuite sure how document.history functions - what degree of privacy is given to the user and to what extent can web pages get URLs from the user's history?
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Apr 13, 2010
I have an iframe. I load a page within it. The page I load is a php page that I build with a table with the id of 'readmail_table'. My iframe is 'readmail_frame'. Someone clicks on a message title outside of the iframe and I load the contents of the message in the iframe from the database in my table. Sometimes this takes longer than others depending on how large the message is. What I am doing here is letting the contents load then calculating the width and height of the table and then increasing the iframe's size so there are no scrollbars. This works 98% of the time but I ran into an issue where the table does not exist yet in the iframe and the JS code errors out. So what I did then was add a local var, set it to false then had a while loop check for the table and once it finds it, set the var to false and run my code. Again, mixed results. Sometimes this works then others I get that the table id I am looking for is null but my if statement in the while loop is checking to see if != null
[Code]...
Like I said, most of the time this works exactly how I need it. I just need a fool proof way to determine that this table is in fact on the page. I am not sure why it works sometimes and not others since I am looping until it is there
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Apr 7, 2006
I need to check for a particular window which I opened as a popup,
already exists, before I try to open the same again. I achieved that
with the following code. So this is fine.
var myWin = null;
function openPopup(aURL){
if (( myWin==null) || myWin.closed) {
myWin = open(aURL,"myWin");
}
/* Window is already opn, thus maps the url to the same window
and give focus */
else {
myWin.location = aURL;
myWin.focus();
}
}
Now my problem is I need to do a similar check for a page thats been
href to the top.location
top.location=aURL;
In this situation if this same code runs again, i need to check if this
window is already open, and if so not to open it. Can it be done in a
similar way like the above.
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Jul 16, 2006
There's an object:
foo = new Object();
and a property called 'bar' with a value of 1 is to be added to it using
JSON. If I try the following it only demonstrates my ignorance:
var str = "{foo:{bar:1}}";
eval(str);
alert(foo.bar) // gives undefined
Could someone please explain what I'm doing wrong here?
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Sep 13, 2010
I'm trying to validate a newly typed value in the textbox instead of the existing value it has when the page load, unfortunately, whenever I get the .val() I kept getting the existing value in the text box instead of the newly typed value.
[Code]...
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Oct 28, 2010
As title says I need to create variable named with value of other variable! So is that possible?
What exactly I need is something like this:
for(var i=0; i<11; i++){
var Img[i] = ""
}
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Jul 2, 2011
Im trying to add to each element within an array. In this program I have an existing array which is called aScores. I have copied its contents into another array called aScores using slice. Now Im trying to add the value of variable called classCurve to each element of aCurve using a for loop (see under the Curve Scores functrion section). However, it does not seem to add the two together(e.g 78 + 5).
[Code].....
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Feb 26, 2010
i'm taking an existing date (twitter feed) and i want to change the formatting. it's been a while since i've messed with dates in javascript.
what i have: Fri, 26 Feb 2010 18:33:40 +0000
what i want: 1:33pm Feb 26th
i'm Eastern Time (-5).
what can i do with javascript to get this date?
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