JQuery :: If Else Statement Inside Each Loop
Aug 3, 2010
I'm currently trying to produce an HTML table from an XML feed, using jQuery. And this works great! With an "each" loop, there now is a nice table on my screen, displaying the right information from the feed.
I would like for each new row of this table to have a separate color. For example:
row 1 - blue
row 2 - green
row 3 - blue again
row 4 - green again
...
and so on...
What I've tried, is putting something like this inside the loop:
var
x=0
(this line should probably be outside of the loop, but that doesn't seem to work)
if
(x=0)
code 1...
x=x+1
else
code 2...
x=x-1
But this doesn't work.
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Aug 4, 2011
I'm looking to send a loop variable (i) to a function inside the loop, but I can't seem to get it to use the value I want, it keeps making it a reference of i and therefore the function is always called using the last value of i rather than the one it was set with.
So if i have 5 Tabs then Tab 1, when clicked, should call DefaultTabClick(0) and so on rather than always using 4 for any of the tabs.
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Jan 24, 2011
I am attempting to set up a very basic menu to drive a program for two different games. I need the menu to process using a primed sentinel controlled loop (where the quit option is the sentinel). I have already set up a function for each game and was hoping to call the function when the user selects a game. I also want to both (a) keep a count of the number of games played and (b) keep a points score, which is to be displayed before the menu is shown agin. When the user quits, I want the final number of points and games played written to document body. I have only very basic knowledge of JavaScript so I realise this is probably a simple answer but I've spent a heap of time on it so far and the menu still has glitches.
This is what I have so far:
SENTINEL = 0;
MESSAGE_MENU = 'Menu: 1. Pattern Game, 2. Guessing Game, 0. Quit'
userInput = parseInt(prompt(MESSAGE_MENU));
while(userInput != SENTINEL) {
[Code]....
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May 3, 2011
Code? What is the correct way to write it.
Rules: create an array for the user to type 5 strings in a prompt that will be displayed in an alert box.
User must type in the prompt an alert will display what the user typed if the prompt is empty or contains nothing an alert will display telling the user to enter text user clicks ok on the alert box and is sent back to the prompt box
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Jul 2, 2011
[code]I am baffled by the fact that the second alert does not pop up URL...
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Oct 19, 2005
I debugged some html file and found this:
------------------------------------------------------------
<script language="JavaScript">
if ( some_statement ) {
function MyFunction ( some_argument ) {
some_function_statements;
}
}
</script>
------------------------------------------------------------
Is it allowed to define a function INSIDE some 'if' statement?
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Dec 28, 2010
I am calling a program using $.getJSON() inside of a for loop. The problem is that the second callback doesn't wait for the first program to finish before it executes. Is it possible to ensure that the second iteration of the loop doesn't happen until the first one is finished?
$('#dialog-form').dialog({
buttons: {
"Import": function() {
var ids = $("#itemsGrid").jqGrid('getGridParam','selarrrow');
[Code].....
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May 28, 2011
I have this piece of code:
$('.selectorheader').siblings('div').hide();
$('.selectorheader').click(function(){
$(this).siblings('div').each(function(){
[code]....
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Apr 26, 2010
The following sentence makes jQuery hang up: $(":( We'll this activated :D").text()
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Aug 10, 2010
Trying to add a new property to a non-jQuery object from inside each loop doesn't appear to work:
var arguments=new Object();
arguments['ticket']=ticket;
arguments['email']=email;
arguments['module']=module;
arguments['epoch']=new Date().getTime();
var total=0;
$('select.category').each(function(){
var name=$(this).attr('id');
var option=$(this).find('option:selected').val();
total+=parseInt(option);
arguments[name]=option;
});
The 'total' variable works as expected. The the 'arguments' variable doesn't. Almost like
a variable scope issue or something. If I put some extra debug code to print out all the
property/value pairs, outside each loop I only see original four, and inside each loop only
the new one just set and none of the original four.?
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Mar 25, 2006
I have interrupted a login process (going to another interim page) to access the database and retrieve the zip code of the customer (don't ask :-). so they can agree or disagree (disagree is a javascript:back)
there are 3 $_post variables which i need to send on from within a confirm() to the login script.
Can this be done? They have to be $_post, rather than $_get
Is there a php alternative to the confirm? ( if so, i'm in the wrong place!!)
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Jun 3, 2009
I tried to use Cycle Plugin, and it works great. I have the "Previous and Next" navigation work without any problem.
This is the code I have:
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Oct 22, 2009
I'm having some problem with return value for a function. I'm trying to access google blogger's API to display blog entries on my site. I'm doing this through JQuery and requesting a JSON response. Everything seems to work ok, but I want to access the link for the blog entry. This is a subset of the "entry" object.
It's structured like this:
Entry:
title,
content,
link:
rel,
type,
href,
rel,
type,
href,
I want to get the link where the "link.rel == "self". To do this I have to loop through the link object (5 times). The loop and conditional statement works correctly, but I can't get the variable inside this loop back to my original function.
I have this code:
$.each(data.feed.entry, function(i, entry){
$.each(entry.link, function(j, link){
if(link.rel == "self"){
var postlink = link.href;
alert("link : " + postlink);
return postlink;
}});
alert(postlink);
});
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Jan 17, 2010
Basically I want to have a different background image for every time of the day. The function by itself works okay with onclick or onload placed in body.
function changesky()
{
document.getElementById("sky").style.background="url(back_morning.jpg) repeat-x";
[code]....
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Feb 10, 2011
I have this loop:
for (var j = 0; j < gmarkers.length; j++) {
gmarkers[j].hide();
elabels[j].hide();
map.closeInfoWindow();
[Code]....
which was useful for passing the p variable when it was just one number.
but now I need to get that number every time j gets set (I understand that the j gets overwritten each time the loop goes through).
What would be ideal is if p could become an array, the contents of which match the values that j has passed though during the loop cycle.
I thought var p = new Array (j); minght do the trick, but obviously not...
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May 7, 2010
I have a theoretical question, I can't really post my code. But I have four results from reads to a database using php. I then read from an xml file using javascript using a loop. I am basically creating a chart of four variables with several different values for each variable. Some of the values for each variables come from the database using php, and some come straight off the XML file parsing done by the javascript. I initially had the php fetch/extract inside of the javascript loop, but it only assigned the first variables values to all the other variables. I discovered (after hours of googling) the difference between client side and server side code. So, after all this typing, my question is where should I look for tutorials on using Ajax to be able to use php code inside of a javascript loop? (If at all possible)
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Dec 27, 2010
I want to call a function inside a loop of an array but when I run it, it is only reaching the function the first time.
for (i in qMedia) {
writeMedia(qMedia[i].name, qMedia[i].format);
}
Even when I tried to call it outside the loop multiple times, it only executed once.
writeMedia(qMedia[0].name, qMedia[0].format);
writeMedia(qMedia[1].name, qMedia[1].format);
writeMedia(qMedia[2].name, qMedia[2].format);
I know that each of the objects in the array have data because I tried to run each one of the lines above separately without calling the other two and it worked fine.
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Apr 30, 2007
I've always wonder if there is diference when declaring and
initializing a varible inside/outside a loop.
What's a better practice?
Declaring and initializing variables inside a loop routine, like this:
for(var i=0; i<list; i++)
{
var name = list[i];
}
or outside a loop routine, like this:
var i;
var name;
for (i=0; i<list; i++)
{
name = list[i];
}
or are both the same....
As a programmer, i always try to practice good programming. I always
thought that by declaring and initializing the variable inside the
loop, i was creating a new memory space every time instead of just 1
time...
What do you think?
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Apr 3, 2010
I have a simple HTML page with one DIV element with the id "rotator". Inside that, JavaScript is supposed to create boxes that react to mouseovers.
The weird thing is: The whole script works, but ONLY on the LAST box I create, no matter what I do. I can manually add the mouseover code to any one of these boxes, but it will only take on the last one. I can have JavaScript tell me the mouseover status of each box, and they all tell me they have code assigned correctly - but again only the last one works...
Here's the relevant code (yes, highly abbreviated, but it's the part that fails on me):
var maxBoxes = 10;
function initSite() {
var rotator = document.getElementById("rotator");
rotator.innerHTML = "";
[Code]....
initSite is called in the body onload. All kinds of other animation parts are implemented that work fine, just this mouseover won't work. I have tried re-writing it in multiple different ways, including "xyz.onmouseover = myMouseCode" and then defining the function separately later - still no dice.
So, the code creates 10 boxes (0-9) and 10 boxes that are on top of them to create a form of shadow effect depending on the position of the original boxes. Since the "myDark" boxes are on top of the "myBox" boxes, I apply the onmouseover onto the "myDark" boxes, but it only works on "myDark9" and no other box. They are all created the same way, the mouseover assigned the same way...
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Apr 26, 2010
I'd like to ask how can i ask for a function inside a for loop , if i remove the loop the code works fine but i need it for 10 rows .here is the code...
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Feb 18, 2010
I am trying to understand the order of operations of a for loop.
for (count=1;count<3;++count)
{
document.write(count + ". nice rack.")
}
when this runs it prints:
1. nice rack.
2. nice rack.
I dont understand how it prints 1. The way I see it it sees the for looks inside the parenthesis, assigns count a value of 1, goes to the comparison sees that it is less than 3, then gets incremented by 1 at the next station, and then finally goes in the curly brackets and the string is written. So if it starts with 1, is less than 3, and is increased by 1. before it starts the loop, then the first sentence would read:
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Sep 4, 2010
Below is the code.
My function:
function swap_content(id1,id2)
{
var tmp = document.getElementById(id1).name;
var theval = document.getElementsByName('primary_propertyp_id')[0].value;
document.getElementById(id1).name =
[Code]...
This is running through a PHP loop so it's making multiple divs and links for the secondaries. I am wanting to be able to swap out any of them to make them 'primary' this works for the first click, but after the first click it makes every div id and input name the same as the first that was clicked. It's also not working AT all if i click on the bottom link first, then a link above it. Top-down works, bottom-up doesn't..
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Sep 12, 2011
Below is HTML
<DIV class=info-box>
<DIV class=info-list>
<UL>
<LI>Author <SPAN></SPAN></LI>
[Code]....
I want hidecurrent LI element if SPAN doesnot contain anytext, Author doesnot having value so that will be hidden.
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Apr 4, 2011
my webstie allows users to change the color of the background, so to keep the text readable I have it changing as well.the color picker I am using has text boxes with rgb values 0-255 for each.I am trying to get one bit of text to alternate between red and blue with the conditions
Code:
if(blue>green && blue>red)
{
[code]....
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Jul 29, 2011
I have the code below, how could it be modified to loop over and over and reload the xml file each time. Flow would be: load xml, run thruogh code to display each xml node one at a time, when reach last node, start all over, reloading xml file,
[Code]...
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Nov 6, 2010
I've been searching for about 3 days on this topic. I'm trying to get a template field inside of an ASP.Net detailsview control inside of an ajax updatepanel to work with the jquery datepicker. Very frustrating! I'm using VB with VS 2010. I can get the datepicker to work fine with a simple text box inside of an update panel but when I put it inside of a detailsview control it stops working.
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