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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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;
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userInput = parseInt(prompt(MESSAGE_MENU));
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[Code]....

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May 3, 2011

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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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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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$('#dialog-form').dialog({
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"Import": function() {
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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
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there are 3 $_post variables which i need to send on from within a confirm() to the login script.

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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){
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var postlink = link.href;
alert("link : " + postlink);
return 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";

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[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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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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I've always wonder if there is diference when declaring and
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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];
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or are both the same....

As a programmer, i always try to practice good programming. I always
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var maxBoxes = 10;
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Below is the code.

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