Passing A Variable To A Click Function?
Aug 3, 2011
I have a DOM click event that creates a <span>. When the user clicks a button, it turns that <span> into a textarea that the user can type a new name in, press enter, and then the span contains the text the user input. Sort of like when you rename a file in Windows Explorer.
Anyway, the code is something like this, and I'm wondering if I can use 'area_el' in this way... right now it's giving me the error that area_el is undefined, even though I define it in the function that contains the Event declaration.The first part is the Dom stuff to make it all work. It's not stuff I need to mess with, but I'm putting it here in case it's useful.
var Dom = {
get: function(el)
{
[code]...
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Aug 14, 2009
I am having trouble passing the correct id to change the innerHTML. I have a jsp that display people and their address information. There could be several people in the list, so it is in a loop. That part all works good. There is a drop down list with countries in them. Based on the country they select, I want to change some of the text. Here is what I have:
<tr>
<td class="datashaded" valign="top"><font size="2"><b>Country:</b></font></td>
<td class="datashaded" valign="top">
[code]...
When I hardcoded the id= value, not matter which group I changed the country on, only the first one was changing, so I knew I needed unique ids for each group. There is more to the table, but this is the good part. When the onChange fires now, Nothing at all happens.
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Apr 22, 2011
I have a function which is currently called twice on the same page. Part of the function is to apply an onkeyup event to a created element. The problem is that when the function is called twice the first created element calls the onkeyup function of the second element!
table_JD.length-1 = 0 for first element
table_JD.length-1 = 1 for second element
updateSearch_TC_JD(1) is somehow called from first element!
newSearchBox.onkeyup = function() {updateSearch_TC_JD(table_JD.length-1)}
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Jun 10, 2010
So this is my dilemma. I'm creating a function and passing variables dynamically, but when I try to pass a variable and then alert it out, I get an 'undefined' error.
Zeeshan Syed
http://www.bdqworks.com
var hotels = xml.getElementsByTagName("hotels")[index];
[code]....
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Dec 15, 2011
I have this problem:
in my page index.asp I have defined a function rupload():
Code:
<%@ Language=VBScript %>
<% Option Explicit
Dim objConn, objRS, strSQL
[Code].....
In this way the function works perfectly; but I want that Ifile is not equal to a predefined path BUT Ifile must accept the value of javascript variable ip_file
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Feb 10, 2010
Here is the code:
for (var i = 0; i < BS_crm['activityTypes'].length; i++) {
var clickFunc = function(){ activityList.showForm( -1, {blockType:[""+BS_crm['activityTypes'][i]['id'], "0"]} ); };
var type = {
[Code]....
Now, basically what I am doing here is running through one array to create an array of objects, that will be used to create links that will use whatever onClick function I pass it. The problem is that on the second line I need the BS_crm['activityTypes'][i]['id'] to be a value, not a reference. If that line was simply changed to:
var clickFunc = function(){ activityList.showForm( -1, {blockType:["3", "0"]} ); };
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Aug 15, 2010
if this is such a obvious question, but i'm kind of newbie in JQuery, i am using a lightpop plugin, & i want to pass 'image_path' via html. lightpop plugin code is something like this:
(function(jQuery){
jQuery.browser = jQuery.extend(
{chrome: /chrome/i.test(navigator.userAgent)} ,
jQuery.browser
[Code]...
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Feb 10, 2010
I'm trying to make it so when you click a cell in a table it runs a function based on the value within that cell. With the current code, no matter what cell is clicked, the alert box displays the same number, which is the last number in my array. The variable, princ, is just being overwritten rather than writing code to each the cell with the proper value.
for(i=0;i<=3;i++){
document.writeln('<tr>');
document.writeln('<th>'+(periodArray[i])+'</th>');
[code]....
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Apr 24, 2010
I've been banging on this for a couple hours even though I'm sure it has a less-than-five-second fix. Hopefully somebody will glance at it and point out the obvious thing I'm missing.I'm using the onchange event of an html select element to trigger an array prototype function that looks for a value in an array and returns the indices of the array that contain that value, or FALSE if the array doesn't contain the value. For this example, here's the array being set up:
var instids = new Array();
instids[0] = 5;
instids[1] = 6;
[code]....
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Mar 22, 2010
I can call a function from a hyperlink as so:
<A HREF="javascript:go()">+ Add Text</A>
but how do I pass a variable to the function in this hyperlink?
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Mar 14, 2011
I'm using Keith Wood's jquery plugin to produce some graphs for my site. Though I've been able to produce "static" ones, I'd like the user to be able to input a new constant and then have my graph update it according to what they enter. I'm not quite sure how to add the value that the user inputs to my linear function below. So far I have:
Code:
<input type="text" size="1" id="plotit2" name="plotit2"/>
for the user to input the desired change. Then I have:
Code:
$('#plotIt1').click(function() {
var svg = $('#svgplot').svg('get');
svg.plot.noDraw().addFunction('lingraph', linear, 'blue', 3).redraw();
[code]...
I've parsed down the code to what I think are the important points but if I can clarify anything I'd be happy to do so.
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Jul 23, 2005
I just want to know how can i pass the return value of a javascript function to a xsl variable.
I have an xsl file and from that file i will call a javascript function
then the result will be stored in to the <xsl:variable> how will i do
that? Or is it really possible to do that or is there other way of doing
it?
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Nov 14, 2011
I'm having issues while passing the triggered event with .on.
obj.on('click', feedmania.handler.itemFeedmania.toggleFormComment);
I've tried:
obj.on('click', feedmania.handler.itemFeedmania.toggleFormComment(e));
obj.on('click', function(e){feedmania.handler.itemFeedmania.toggleFormComment(e)});
[Code]...
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Nov 5, 2009
I need to pass the 'id' variable from the event listener to the callback function, 'moveObject'. The moveObject function needs to know the id of which element it should act upon. How can I pass this variable?
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Dec 15, 2009
I have a function in an external javascript file (calculate.js) which calculates the price of a product, based on a users preferences in a form (dropdowns, radio buttons etc). Each time the user modifies their choice, the script/function then displays the price on the page (index.html) using:
document.getElementById("price").innerHTML = price;
Once the user has finished making their choices, they then click the forms submit button (method="post") to be taken to a confirmation page (confirm.php).
Here, I can display the users preferences using php code like:
<?php echo $_POST['size'] ?>
<?php echo $_POST['color'] ?> etc, etc...
But I'm not sure how to pass the price over!
The preferences come from the form and are picked up with php. But the price is calculated with javascript! How do I send it to confirm.php?
I have tried adding
window.location = "confirm.php?Quote=" + price;
to the function, but this changes the page before the user may want to go to the confirmation page!
Can I add a hidden input to index.html with the value set as the javascript variable called price? If so, what syntax do I use for this? I have tried
document.write('<input type="hidden" name="quote" value="'price'" ?>" />')
and some other stuff too, but I still can't get it to work!
Or do I pass the value in the url, like confirm.php?Quote='price'? Again, what is the syntax, as I can't seem to get it to work?
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Dec 11, 2010
Every time i click on one of the said elements, it puts "undefined" into the textbox each time i click on an element.it seems to me that the Key_Table[x] is not getting passed correctly. How do i make sure that this is getting passed correctly?Here's my Code:
<script type='text/javascript'>
// Startup Script
if (document.addEventListener) {
[code].....
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Apr 18, 2011
I have a basic understanding of selecting elements and performing manipulations or effects, but I'm having real trouble grasping the basics of setting up variables, performing maths on variables and biggest of all, how you go about passing information from the HTML into a jquery function.
I have a site where clicking on any photo thumbnail brings up a full-screen lightbox to display the image full-size - I'm using the following to bring in the lightbox:
$(".photo").click(function(){
$("#lightbox").css({"visibility":"visible","z-index":"2"});
$("#lightbox").stop(true, false).animate({opacity:1},800);
});
This works just fine, I also have no problem re-assigning the SRC of a blank image within the lightbox to make sure the correct image renders, my problem is I just don't know how to generate or pass information into this function to begin with to act as a reference point so the code knows what image it should be displaying based on which thumbnail was clicked.
I don't need anything particularly clever, even if each thumbnail simply had a numerical figure associated with it (eg "4") which gave the function something to work with once it was fired - that would be enough.
I know how to do all this in regular JavaScript but I have to admit I'm finding the documentation for jquery really hard work, I'm having real problems grasping the fact that the functions aren't being triggered directly by the HTML.
Another solution would be to get the src of the image that was clicked on, split the string and pull out just the filename (ie 5.jpg) and then prepend a path to it for the final full size image ( largeimage/ + 5.jpg).
I know there are probably pre-made scripts for this kind of thing but I'd like to try and avoid them if possible.
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Oct 23, 2010
I can't seem to get a variable declared from within a post callback, so that I could manipulate my script accordingly. I have delete.php, that deletes an id from a mysql db. If it fails, I want the script to stop and display the error. The .php script echos an "ok" if everything went fine, if not - it echos the error.var abort_error; // set the error variable
$.get("delete.php", { delete: $(this).parent().parent().parent().attr('id') },
function(data){
if(data != 'ok') {
[code]...
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Aug 10, 2010
Two objects on an html page. An event on object 1 effects object 2
$(".video_rg").mouseover(function(event){
var myTriggerId = event.target.id;
var myTargetId = 'video_' + myTriggerId;
document.getElementById(myTargetId).src = 'images/test_object_2.gif'; // this works
// $('#myTargetId').src = 'images/test_object_2.gif'; // this does not
});
My assumption (we know about those) is that I am not passing the data to the $() function correctly, that it is reading '#myTargetId' as a string, and not a variable. I just really want the JQuery code that would do what the document.getElementById code is doing.
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Dec 8, 2006
Given the following code:
var xf2;
function f1()
{
if (document.createElement && document.body && document.body.appendChild) {
xf2 = new f2(arguments[]);
}
}
I am getting a syntax error in the "new" statement following the [].
How do I pass the variable-length arguments list received by f1 on to f2?
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Jun 9, 2010
my first attempt to post seems to either have been rejected or simply gone into the cyber void.
I currently have a link on a webpage as follows:
<a href="#" id="loadData"><img src="images/bookcase.png" alt="" width="114" height="167" border="0"></a>
which is picked up by
$("#loadData").click(function()
which then executes:
.load("subgenre.php" , function() etc
What I want to be able to do, however, is pass a parameter to the php script, along the lines of:
.load("subgenre.php?param=" + passedParam , function() etc
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Apr 27, 2011
i'm using a jQuery Inline Modal Window. the code for it can be found here
[URL]
i currently have an array within a function in javascript. when i click on the appropriate link for the inline modal, the inline modal window appears.
my function looks something like this
function match_all_groups(){
var pop_up_status;
var match_groups = new Array();
var match_groups_count = 0;
[Code]....
i want to receive values from match_groups and display them in my inline modal window. do u know how this can be done?
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Dec 22, 2010
I have a list of most 17 recent entries from a db table and wanna use jquery/ajax to have a next button that loads the next 17 entries when you click it. It passes the 17 variable to the .load which works fine first time around (this is later used as mysql limit), but then I try to increase the start variable with 17 so that next time I click it would pass 34 to the .load (so it loads next 17 again) but this doesn't work, it simply loads same 17 again on 2nd, 3rd ect. click (so nothing changes). use global variables by setting it with var and using it without var inside the function.
<script>
var start = 17;
var loadUrl = '<?php echo site_url('welcome/battles'); ?>';
$("#latestbattlesnext").click(function () {
[code].....
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Aug 12, 2011
Code:I am having problems with the following. I am wanting to hide <tr> in my table (employees) and only show employees that are in the selected department (selected via dropdown box).I need to set a javascript array to a php array. I am looping and assigning the array and am wanting to pass a javascript variable as the index in php array. I have marked my problem lines in red. Thanx for any help.
<script type="text/javascript" >
function display_elements()
{
var departments = new Array;
[code]....
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Jan 23, 2006
I have a form like this:
<form name="dane" action="wyszukiwanie.php" method="post"
verify_form()">
<input maxlength="30" size="35" name="family_name" value="">
</form>
Now, How can I pass a value from this input to my js script verify_form() ??
And second question: if I have "radio" input im my form how can I check
using js if any option was chosen?
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Sep 22, 2009
What I need to do, and it shouldn't be that difficult is this:page1.html - there is a yellow button and a red button - if the user clicks on the yellow button I want to set a cookie with the value "yel" then load the next page - if they click the red button set that cookie with the value "red"page2.html - 'onload' i want to read that cookie and load up the main image to match, something like this maybe?...
document.mainimage.src='img/main_' + variable + '.png'so that the path would be for example 'img/main_red.png'Any help please? Preferably javascript only and as simple as possible. If you think this would be easier sending that variable in the URL instead of as a cookie.
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