JQuery :: Dom Ready Takes Very Long In IE 8?

May 20, 2009

I am hiding a login panel like:

$(document).ready(function() {
$("#login").css({marginTop: "-105px"});
});

But in IE 8 it takes very long to hide? I don't like to set it in CSS because if javascript is turned off people can still login as it is visible... is there anyway to make it faster ?

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Figuring Out How Long It Takes To Become A Millionaire

Mar 6, 2006

I want to start out by entering an investment amount as well as an interest amount. Then I want to find out how many years it would take to become a millionaire, using each cycle through a looping statement as one year. What would be the best way to do this?

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Tight Loop Of Code Long For A Long Period Of Time Without Freezing The Page?

May 11, 2011

Is their anyway to have a tight loop of code long for a long period of time without freezing the page? I want to be able to do:

for (i=0;i<9999999999;i++){
//some code
if (i%100==0){
yield();
}
}

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JQuery :: Any Way To Run Function Before Validation Takes Place?

Aug 14, 2009

We are using JQuery for one of our software projects, and it's a very nice library. It's making things far easier. We are also using the Validation plugin, which is working wonders for form validation.However there's one wrinkle that we have not been able to figure out.Is there any way to run a function before the validation takes place?We have help text displayed in some of our text inputs and text areas,which are cleared onFocus (and restored onBlur if the user has not entered anything). We would like to clear those help text before validation is run, so that we don't get any false validations based on the help text, rather than the actual value of the field, which is blank.

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JQuery :: Json Value Takes More Time In Processing?

Jun 2, 2011

In our application we have used json data and we get json data from the server and on client side we display in grid. We have functionality of paging and filter. so on paging and filtering we process that json data and show to user. For filtering we are comparing each value to the filtered criteria and when json value is more thatn 35 kb it takes around 8-10 second to filter it. So is there any way that we can minimize the processing tiem.

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JQuery :: .animate Takes Seconds To Start?

Nov 24, 2009

Code:

function getCount1(){
sndReq("count&queue=1");
newCount1 = document.getElementById("count1").innerHTML;
if(count1 != newCount1){

[Code].....

I have no other animations on my page, yet "updateQueue1()" happens way before the animation...

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JQuery :: GetJSON In Firefox Takes Longer Than In Other Browses?

Sep 16, 2009

jQuery using getJSON calls specific handler, lets say MyHandler.ashx $.getJSON(/MyHandler.ashx?param1=someVal, function(data) {
some code;
}

In Opera and Explorer this is executed immediately. In FireFox it takes over 1s before request is executed. Even when I set breakpoint in my handler it will be hit after 1s... could you tell me why it is so slow? I got latest version of firefox.

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SetExpression Takes Client Processor To 100%

Jul 20, 2005

I have been trying to use the following:

document.getElementById('someId').setExpression('s omeExpression');

This works ok.

But in my actual implementation, I have over 20 different elements
which need to be positioned using this method. When I made the code, I
found that my CPU would be at 100% for even trival events such as
mouseover() and mouseout()

Am I doing something wrong?

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JQuery :: How To Abort A Long Poll

Apr 12, 2010

I've got the following jquery code querying my server, but can't figure out how to Abort the query and reload the page immediately if someone clicks on <a> link. how to abort the current (all) ajax calls if someone clicks on <a> link??

[Code]...

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JQuery :: Landscape Width Too Long?

Jun 22, 2011

Using jQuery Mobile, when I turn my phone (iPhone 3) into landscape, the width adjusts correctly and then extends. It's too long. It does this with paragraphs as well as lists. Even the [URL] site does this :)

How can I override the width? Is there any way to test iPhone 4? Any of you have one to test the [URL] site in landscape view?

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Replace Method Takes Functions As Arguments?

Feb 12, 2010

I encountered some code in "Javascript the good part" from Douglas Crockford.There is a way to passing callback function as second argument to string.replace() method.

Code:

var entity = {
quot: '"',
lt: '<',

[code]....

1. How do I know what the number of parameters should be in callback function ( function(a,b) ) ?

2. How do I know what will be passed in as a and b when I am defining the callback function?

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Extending An Object Whose Constructor Takes Arguments?

Jan 2, 2011

I'm sure this question has been asked many times before, but I can't seem to get the correct terms to find the answer in Google.I understand basic JavaScript inheritance. However, everything I've read makes the inheritance work something like this:

Code JavaScript:
var ChildClass = new Function();
ChildClass.prototype = new ParentClass();
ChildClass.constructor = ChildClass;

That's fine, but what happens when ParentClass's constructor needs parameters?As an example, look at the following code:

Code JavaScript:
function Furniture(color){
this.color = color;[code)....

How could I "copy" Furniture's constructor into the Chair object? Better yet, how could I copy Furniture's constructor and then add some functionality to it?

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JQuery :: GetJSON Parameter - Long String?

Jun 25, 2009

I am trying to send with getJSON a very long string as parameter: $.getJSON("/ajax.php",{id:myid, thetext:mytext},myAjaxResult)where "mytext" - is value from my fckeditor.If "mytext" value is not so long, everything is going fine, but if it become a very long, getJSON doesn't work. How can I solve this question?

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JQuery :: Add To Complete The Long Polling Effect

Jan 4, 2011

I am workong on a long polling chat for my site by finding examples on the net and i am using this particular one i found, but am slightly confused as to what i need to add to complete the long polling effect. Currently it loops infinetly isntead of waiting for the server to push a message so its obviously not working.

[Code]...

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JQuery :: Firebug Shows The Updated Class Of An Element But Live() Function Takes The Old Class?

Jul 2, 2009

I am new to this discussion but hope you would post reply for my query and encourage me to keep in touch with this discussion. Well here is my problem. I have made an edit in place form in which we can add and remove the elements. I have used jquery.jeditable.mini.js and jquery.duplicate-remove.js plugins for edit in place and add and remove action. I have live() function to access the dynamically ganerated elements like this. $(".addressDiv span").live("mouseover", function(){
clickable function here...

[Code]...

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JQuery :: Submenu From Array - Function ToggleOptions Takes 3 Variables - Target - Array - State

Feb 15, 2011

I am trying to understand somecode. I don't think I am understanding everything correctly. Can someone confirm or add to my understanding?

Here is the code, below is my explanation:

- CODE 1 - is saying if the the class subnav_dd is called on an anchor tag on a li, then make the function in the if statement "live". (Live in a sense binds the function to the condition, but unlike bind it allows the condition to be used more then once. ) So if the class subnav_dd is the parent, and has a class of .dis then prevent anything below it from firing. CSS - If code 1 is true, then I will only get the first li to fire, the remaining ones will not.

- CODE 2 - This one is a little tricky. Function ToggleOptions takes 3 variables (target, array, state). The condition is if the div subnav + target have siblings, then check to see how many siblings are there. Put the amount of siblings into an array, then check the state of each sibling. I don't completely the rest of it.

I think if the div subnav is called and something is found in the array then the class dis is either added or removed. Then what? I don't understand why I still need the else that adds a class to #subnav_ +.target

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Ajax :: Response Is Empty Whenever It Takes Some Time To Answer

Sep 15, 2009

ser is able to create queries and issue them. The query is sent to the web-app by means of an ajax call. Then, the server computes the result set and a small subset (100) of tuples are sent back to the client for visualization.

These thing works with queries that are simple and do not require to the database long computations. As soon as I try a more complex query (computation requires ~ 7secs), the answer returned to the client is empty.

I suspect that this is a problem of timing out the connection, is that possible?

(edit) I have almost forgot, I'm using Prototype as JS library

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Create A Page That Takes Data And Turns It Into Images?

Jan 3, 2010

I'm trying to create a page that takes data and turns it into images - I'm starting very simply. For each row of text, I first:

if(j.match(/[a-z]+_\d+/)){
colorval='red';
} else {
colorval='blue';
}

then I add a sequence of numbers for positioning to an object called pixs (with a numerical index as well that may or may not be useful):

var xpos = startwidth+d_num;
var ypos= startheight+d_scroll;
pixs[num]= {};
pixs[num]['xpos']=xpos;
pixs[num]['ypos']=ypos;
pixs[num]['color']=colorval;

As I loop through my arrays of little pieces of data, all of this information is stocked into pixs - BUT then- I have to insert this information from pixs to a function, like:

$(container).fillRect(xpos,ypos, width, height, {color: color}) where width and height are each preset vars.

My challenges here are to 1) successfully loop through the pixs object. 2)Use jquery if possible (or if easier) to get these variable values into the function to evaluate. 3) Successfully '.fillRect' with each loop. 4) Use the append method (or something?! again, I am a n00b) to get all of these instances of fillRect onto the container in the html document (which appears to be set up and working with instances of fillRect not using variables as parameters)

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HTML File Takes A Lot Of Time To Read The Script ?

Apr 24, 2010

I have a very large tree data structure and I want to display some of its sections on a HTML page. I wrote the following JavaScript that loads parts of the tree dynamically injecting the desired HTML code.

Code:
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1"/>[code]....

Each show_xxxxxxxx() function displays desired part of the tree on HTML.The problem is each time I load the HTML file it takes a lot of time to read the JavaScript (there are many show_xxxxxxxx() functions with a lot of HTML to insert).Is it possible to cache the loaded JavaScript into browser memory so it won't read the entire script when I reload the page with different content?

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Element.focus() Function Takes Ages To Perform?

Sep 28, 2010

My problem is that it takes ages to perform the element.focus() function. This is not a function I have written myself but is part of the Javascript language itself. There are probably a lot of reasons why this might be slow but I cannot find the right one. Let me describe my problem. We have a product which was created around 2004 and has been developed on since. The HTML and Javascript used for the product was based on a prototype which we then converted into a server based solution (we use Servlets/JSP).

Due to the nature of the prototype (and also the graphical layout) the major page consists of one huge HTML page which a lot of hidden DIV tags. These DIV tags are then toggled visible/invisible to make it look like we have a kind of tab functionality. We also do not load all tabs when we load the mail page, instead each tab is loaded into a hidden iframe and then with Javascript we grab the resulting HTML content and paste it into the main page, making that one tab visible while hiding all other tabs.

In one of these tabs we also do some more magic. The layout is as follows; we have sets of three columns each and then a lot of rows. Each set of three columns contains one text field per column. The last text field contains a percentage value and when edited, we check if the value is lower then before the edit and if it is, then we split the column, creating another set of three columns.

When we load the page the first time, there exists only one set of columns with the last column having the value 100. There can however easily be 100 rows as well. For the larger pages we can have (at load time) three columns which makes it 900 text fields. I do not know if this is much or not.So, with the above info, to my problem. First off, when I try to move the marker and click on a given field (so that the marker starts blinking on the selected field) it takes maybe 2-3 second (although not always, seems to be more the first time). If I then tab to the next field it goes very fast (like one would expect).When I try to edit a value (by simply adding or removing values) it again takes a very long time (the first time).

When I then try to tab, it takes ages (this happens always, not only the first time).My Javascript then. I have two events, onchange and onkeydown. onkeydown checks if a variable is set to true or not. If it is set to true, the method does nothing. If set to false it does a bunch of tests and sets the variable to true. onkeydown is what I think causes my first lag but the code is not really that advanced (no loops or anything). onchange does the same checks plus all the magic (with the split etc). One of the last things it does is try to set focus on the next text field and this goes extremely slow all the time.

We use IE8. We (sadly) have a lot of IE specific stuff so the site doesn't even work in Firefox. I have used IE8 Developer Tools and used the Profiler which basically gives a list of Javascript calls and their execution times. My own functions take basically zero time, but there are A LOT of calls to functions that are not named, or anonymous, according to the Profiler.

How do I find what the anonymous function calls are?Why is it the focus() function that takes time, can it (or is it) still some of our own Javascript that makes that function go slow, even though it is part of the Javascript language?Can it be the amount of elements on the page (900 text fields)? Is that much?Can it be IE8? Are there known issues with this?

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JQuery :: Highlight Parent As Long As Any Input Is Checked?

Feb 5, 2010

I've got quite a challenging problem (for me) with jQuery and highlighting a parent <li> from activating checkboxes.I've got a nested unordered list which contains checkboxes... Example HTML:

<ul>
<li class="main_first"><span>Main Item 1</span>
<ul>

[code]....

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JQuery :: Long-term Browser Support Strategy?

Jan 11, 2010

What is jQuery's long-term strategy for browser support - cut off browsers after a certain number of years or when going below a certain market share? [I'm asking because of the current trend among some webdevs and also
library developers advocating to remove IE6 support and force these users to upgrade their browser. I work with several clients that do not want to "lead the way" in this respect, and need to support IE6 as long as it has a fair usage share, which may be for several more

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JQuery :: Ui Sortable - Cancel Action If List Is Too Long

Jun 4, 2009

I have few lists with ui sortable/droppable and I want to have let say max 4 elements in one. So:

What code should be there? I've tried to change class to .disabled but it blocks moving.

$('#sortable'+new_id).sortable("cancel"); causes error. Script allows to move single elements and whole lists.

I want to be able move elements from all lists but disable drop if it's too long.

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Which Script Is Good For Website - Site Takes Time To Open?

May 22, 2010

I heard that when we put javascript in website, then site takes time to open, is it correct ? If yes then which script is good for website.

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JQuery :: Split A Long HTML Content Into Small Divs?

Jun 4, 2011

I couldn't find any in Google or in the JQuery plugin library.I am trying to develop a book like app, where the site manage enters a text as long as he like into CKEditor textbox. the editor of course create tags around the text, and also there might be images inside the text.Then when someone chooses the book (bunch of DIV tags), he gets a book like js (this is working) and i need to populate the book with the content from the DB.

The problem is that i just can't figure a way to split the text into small chunks without destroying tags in the process.Is there a split app in jquery that does that?

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JQuery :: Simplify Long Code - Calendar - Numbers Counting Up To 31 In Both IDs

Sep 9, 2011

I have this working code:

$(document).ready(function() {

As you can see its numbers counting up to 31 in both IDs (its a calendar). Any way to put this in less lines?

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