Variables Not Updating OnClick?
Mar 25, 2009
I have a program that via an html form asks the user for information. When the user clicks submit a function is run that checks the values, if the values aren't of the correct type (nan etc) then an alert box pops up. If not then it proceeds to the results.
My problem is that the values of the fields in the form are picked up when the submit button is first pressed but when I correct the field errors and press submit again, it throws up the same errors in the alert box.
So how come the first time I press submit it gets the updated values of the variables (which contain the form values) but the second time it doesn't and I have to refresh??
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Jul 8, 2009
Don't know if this should be under JS or PHP... I have 2 different pages. On the first one, a table shows a list of items. Each has a button that when clicked opens another window with specific size attributes, hence the onClick event. The 2 PHP variables are computed and different for each item (each line).
Here is the line:
<input onClick="javascript:window.open('player_buy.php?send_role=<?=$data['ROLE']?>&send_price=<?=$send_price?>', '_blank', 'status=0,toolbar=0,scrollbars=0,location=no,statusbar=0,menubar=0,resizable=0,width=739,height=320, top=0,left=0')" class="button_sale" type="submit" value="> > >" name="submit">
Now of course, on the popup window, the URL will show .../player_buy.php?send_role=XXX&send_price=XXX
But the goal is to avoid that. So my question is: Is there a way to open such a popup window, pass these variables to it but in a way that it would not show in the URL?
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Jul 9, 2009
I am reposting a question because my previous post went a bit wild and I didn't get my answer... I'll try to be more precise this time...I have a PHP page in which I query a mysql db, displaying the results in a table. For each line, I have a button that I want to click to open a new popup window and pass 2 variables to that new page. I use the onClick event. Values for these 2 variables are different for each line (each button). See code below.My question is: is there a way to pass these 2 variables and values to the popup window without displaying them in the URL?Here is the first page code:
<table width="100%" cellpadding="0" cellspacing="0">
<?
$sql = "select * from LNA_TEAMPLAYERS as A inner join LNA_PLAYERS as B on A.PLAYERID = B.ID_LNA_PLAYERS
[code]...
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Mar 11, 2011
I'm looking for some help, as I've been going crazy trying to wrap my head around the step I am missing here. I have a function that generates a table of predefined row/column size, and which sets each <td> element's ID to "x ,y" where x and y are the horizontal/vertical coordinates within the table. It's intended for use in running a simple game.What I'd like to do is take it one step further and have the script generate onclick assignments for each <td>, giving them all an onclick function with unique arguments defining the <td>'s grid location. My problem is that I can't figure out how to pass the variables defining the coordinates to the onclick function created in the loop, as an argument.The syntax I'm using for assigning the onclick function:PHP Code:
cell[countx].onclick = function() {clickTile(''+countx+','+county+'')};
Variables countx and county are local to the original function. Here it is in context:
PHP Code:
[code]....
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May 2, 2010
I run a carousel plugin which has initializing variables on my index page, which looks like:
Now what i need is an onclick event which tells the script to update the variable 'start' to '500' and then re-run the script without a complete page reloading....
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Apr 2, 2009
Anyone know how to get Javascript variables into PHP variables or a MySQL database? Full question in the PHP section.
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Feb 3, 2011
I have some JavaScript which is splitting out the different variable elements from the URL.Now, how do I set the internal variables?Then I want to set the variable ScriptHeading to be Change and the variable ScriptType to be NewThread.I keep finding all sorts of lovely code showing how to split out the various sections in many different ways, but I can't find anything on how to actually set these variables.
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Jul 20, 2005
I was wondering if anybody could help me out a little. My goal is to
update some information about a system every 2-5 seconds. The
information needs to be displayed in some sort of table, but the size
of the table needs to be able to shrink and grow. The main problem
here is updating the table without refreshing the entire page and
making any clicking noises. I was thinking maybe I can put the table
in an iframe and use javascript somehow to update the iframe whenever
neccesary.
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May 17, 2011
I have <div id ="changeable"> with some html in it. I have a link that calls the function to replace the info in the div. The problem is that the "creative_development.inc" file is added to the top of the div and does not replace the content. How do I replace the content, and not just add content?
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Dec 4, 2009
I'm creating a simple auto updating script based on PHP and using jQuery to set the interval to 1000 miliseconds. It works in FireFox, as the only one I've tested so far, but in Internet Explorer (Version 7 right now, didn't test others) it just freezes and doesn't auto update. Doesn't auto update either if I refresh the page, so something's messed up here.I'm using the same way of auto updating on other things, such as a chat-page - works on those in all browsers, so I'm kinda on a lost track here.
Here's the JavaScript/jQuery:
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
[code]....
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Jan 19, 2006
I've not done much in the way of JS, if really anything other than using javascript.com before, so this may be me bieng quite m00bish, but I am having problems with my script on a page.
In a nutshell, the script I have currently allows my viewers to make a selection from a drop-down list, and as a result, the embedded WMP object below starts streaming the selected video.
WMP gets the video name from the VALUE= element of each list item.
My aim is that as well as the page starting the selected video, that a paragraph of text will appear under the WMP object based on the selection showing information regarding that video.
I've tried playing with a VAR element, and then using document.write to print the variable name to the screen, but this only writes the value of the variable at the time of page loading, and does not refresh.
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Apr 14, 2006
What I am trying to do is assign a value to unchecked checkboxes. To do this I am running a function upon the submission of a form that checks the boxes for a value, and if they are not checked, assigns a value to them. I though I had it working, but for some reason I am getting a syntax error with the line that contains the "else"
My code is as below. The form name is deleterows and the form is dynamic so there can be any number of checkboxes (hence the for loop). Code:
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Nov 12, 2004
I'm trying to make a physics program and have run into some trouble when i tried to update the div element by using the document.getElementById("target").innerHTML=c command, its in a loop and is supposed to update through every increment of the loop, but rather it only updates when it reaches the end of the loop. Here's the code:
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Oct 23, 2010
I have a slideshow that also has links to allow the user to pick which slide they want to go to. That works okay for the most part, but once the user has selected a slide the slideshow continues to run, which I want to happen, but it continues to the next slide from when the loop function ran initially instead of the next slide in the show from the current slide. I tried recalling the function from the link function, but that really didn't do anything. I realize...at least I think that I realize that the function needs to be rerun from the new value of the count variable, but everything that I've tried to make it do that has been a colossal fail.Again I'm a novice here and this has to be written in plain javascript, otherwise I'd have gotten this done via jquery in probably 3 lines of code.
Here's what my code is looking like right now:
<script type="text/javascript">
<!--
//preload images
[code]...
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Jan 29, 2010
I've made a simple ajax script that's supposed to update a captcha image. The only part that doesn't work is where the new image replaces the old one on the page. The problem is that they both have the same source name which means that if I just update the image src, or the innerHTML of the div surrounding it, nothing happens, since the image src is the same and so would the innerHTML be.
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May 6, 2006
I have a program written in Javascript and fully functioning which takes a user-selected directory name and then displays all the photos in that directory in a certain format.
I am now wanting to expand the program to allow users to optionally enter their own strings and the program will use all the photos from www.flickr.com which use that string as a tag.
I have a PHP interface to flickr (called PHPflickr) which collects all the relevant photo urls. I now need to get these images back into my Javascript so I can process them using the existing functions (rather than rewrite all my functions in PHP code and have two sets of functions in the program). I found on another thread a means to do this for a date variable:
var jsArray = new Array(
<?php
$length = count($monthDataArray);
for ($i = 0; $i < $length; $i++)
{
echo '"' . addslashes($monthDataArray[$i]) . '"' . (($i < $length - 1) ? ',' : '') . "
";
}
?>
but being completely new to PHP I'm not sure what "addslashes" might be or what formatting will be necessary if I am starting with an array of urls. Code:
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Mar 11, 2011
I'm using jQuery 1.3.4 right now, and I have the problem where .css is not updating the style information of two items:The code below produces the underlined lines of output. The red parts show where I expect my calls to .css to update the values, and I do not see updated values. I've added '//FAIL' after the lines that aren't doing what I expect them to do, and also highlighted them in red.nyone have an idea what I might be doing wrong, or what might be causing this?
Element X (701.4833374023438) Y (284.41668701171875) W H cont(PM_MENU 499.48333740234375 217.06666564941406 200 47 itc() 501.48333740234375 284.41668701171875 200 13 INITIAL submenu (PM_BC_MENU) 86.58332824707031
[code]....
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Aug 17, 2009
I'm trying to set up a new window that contains a button. Then, if the user clicks the button, the window would display new information accordingly. I have written a simple test that won't seem to work:
<html>
<head>
<script language="Javascript" type="text/javascript">
var count = 0;
function Window() {
[Code]....
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Sep 16, 2011
I just wrote some javascript with a counter to call an ajax call of many records, but when it is around the 50th record the counter variable is not updating in time for the next ajax call resulting in duplicate results cause ajax is pullin the previous query again
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Nov 15, 2011
I have a scroller on my pages that basically reads a text file and displays.. The problem that I am having is it doesn't update until I reload the page(even though the .txt file updates about every 3 minutes).. I would like it to update when the file has been changed.. Here is my page.
[Code]...
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Aug 18, 2007
I have written a javascript version of tetris and at every 10th cleared line, I change the body background color more towards red. However, the page only seems to update parts of the background. It is only after min/maxing the window or otherwise forcing a redraw that the whole page background is actually updated to the correct color.
Any idea why this is and if/how this can be fixed?
This line works as expected, but it may be relevant to highlight.
document.body.style.backgroundColor = "rgb(255," +GB+ "," +GB+ ")";
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Jul 25, 2005
i've a simple script that basically replaces the textnode attached to the title tag. and i thought since i'm updating the title tag the window title will automatically change. unfortunately it does not :(. what is wrong ?
function getText(txtMsg) {
if ( document.createTextNode ) {
return document.createTextNode(textMsg);
}
return false;
}
function setTitle(newTitle) {
var title = document.getElementsByTagName("title");
if ( title[0] ) {
title[0].replaceChild(getText(newTitle), title[0].firstChild);
}}
i know for sure this can be done coz gmail does that...but still wondering how else ??
btw i checked if this was getting updated to to DOM properly and it did that too
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Jan 17, 2011
I am working on submitting a form with various info to update on db using jquery, ajax. The db is updating perfectly when I disable JS on firefox. When enabled, a few fields (adID, userID, comments) are not updating on the db. The field userID updated as zero, but the other two are blank.
[Code]....
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Dec 22, 2010
Basically, what I want to do is update a textarea in the parent window with data from the child (pop-up) window.There's an add image button on the main parent window that, when clicked, opens a pop-up window to upload an image and select its alignment (left, center and right). When the image is uploaded successfully, I want to send an img tag with the path to the newly uploaded file (and the alignment in the style attribute) to a textarea in the parent window.The original plan was to upload the file in the parent window itself, but any Ajax file uploading tutorial that I read didn't work in my code, though I tested it outside of my code and it worked fine (didn't refresh the page). It doesn't need to be on the parent page, I just thought it would be easier than doing it through a pop-up window, and I don't want to bother figuring out why it's not working with my code so I'm sticking with a pop-up
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Dec 9, 2011
I don't know if this is the right place to post this question but I think javascript might offer a solution. I have a 125 X 156 jpeg image with some text underneath in the right column of my home (.html) page and the same image and text in the right column of 47 other (.html) pages. When I alter the image and text in my home page I don't want to do the same 47 other times. How can I alter the image and text once and the alteration is reflected in all pages.
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Sep 10, 2010
Is there a way in Javascript i can update the element with id #container to be the value of the #name?
PHP Code:
<form action="" method="post" name="form_name" id="form_name">
<fieldset>
[code]....
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