# Finding Number Of Elements On A Page?

Jul 5, 2010

I have a number of elements on a page, which I want to remove. The number changes depending on the number of the results,ie. div Id like result1, result2, result3 etc.Is there a way for me to find out the number of items called resultX or is there a way for me to search through all ID's like result ?

## JQuery :: Finding The Number Of Elements Within An Element?

Aug 22, 2011

What would be the easier way to do this? For each of the list elements I want to check how many image elements are inside each, and do something with the one that has only one image.

<ul>
<li>
<img src="" />

[code]....

## Finding If Numbers In A Set Add Up To Another Given Number?

Aug 10, 2009

I have what I thought was a fairly simple problem that I would be able to solve on my own, but the code I have found is just too complicated for me to understandI think what i have is similar to the knapsack problem, but I have a really simple version of/~moshe/recor/knapsack/knapsack.html#defSay I have a relatively small array of numbers:2, 2, 3, 3, 4, 4, 5, 5, 5, 6, 7, 8, 9, 10. I just need to verify true or false if a combination of these numbers will add up to 21. The numbers will obviously be changing, ( and in array size), i guess i could just use if statements but it would be stupid and go on for ages.Could anyone point me in the direction of some simple code, or easy to understand way to go about this problem?

## Finding The Highest Number Of 5?

May 17, 2011

I'm having a hard time trying to get this script to work. I am trying to write a script that finds the highest of 5 numbers and places the highest number in the last textbox.Can anybody tell me what I am doing wrong?

<HTML>
<TITLE>COMSC-100-1241 - Assignment #10 - Using "Greater Than" And "Less Than" Logic</TITLE>

[code]....

## Finding Whether A Number Is Rational?

Sep 29, 2011

I need to find whether a number is rational or not in javascript.

## Finding A Number In String - RegExp

Aug 13, 2005

How can I check if a number exists by itself in this string by using
the RegExp object?

var mystring = "11,111,01,011";
var match = "1";
var re = new RegExp( match );
var isFound = re.test( mystring ) );

Running this code returns 'true' which is not what I want since number
one doesn't exist by itself. I need to use the "match" variable since
it will change depending on user input.

I can only get it to work without variables in the expression. E.g.

var re = new RegExp( /1/ );

## Finding Out Position Of Html Elements?

Oct 5, 2006

Is there a possibility to find out the coordinates, relative to the whole
screen, or at least relative to the browsewindow, where an element ( e.g. link or
picture ) begins or ends?

## JQuery :: Finding Elements In A Response From An Call?

Nov 19, 2010

how could I get the element with id "testing123" and append it to the body? or print it to the console? or anything to test that its working.

//JS
\$("form[name=create_person]").submit(function(){
console.log("submitted");

[code]....

## Window.Onload Function - Finding Elements By ID

May 11, 2009

I'm trying to use unobtrusive javascript for a page I am building. I want to insert a "bookmark me" item into the page. This is the script I am using:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "[URL]">
<html xmlns="[URL]" xml:lang="en" lang="en">
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<script type="text/javascript">
<!--
document.getElementById('bookmark').innerHTML="<a href="#" rel="sidebar" onclick="if(navigator.appName=='Microsoft Internet Explorer'){ window.external.AddFavorite(location.href, document.title); return false; }else{ this.title = document.title; }" onMouseover="window.status='Bookmark Us';return true" onMouseout="window.status=";return true" title="Bookmark This Page"><img src="/images/bookmark65-3.png" alt="Bookmark This Page" /></a>";
-->
<div id="wrapper">
<div id="bookmark">
</div></div>
<div id="main">
<h2>Content goes here...</h2>
</div><div id="footer">
Footer goes here...
</div></div></body></html>

It's pretty simple stuff that just populates an empty div with an image link to bookmark the page when users have javascript enabled. Now when I call the function using <body onload="add_favorite();"> and cancel out the window.onload=add_favorite(); from the script it works just fine (it throws a line-1 syntax error up in IE that I can't figure out, but functionally everything still works in IE7 and FF2). When I try to do it the "unobtrusive" way I get nothing at all in either browser.

A little debugging revealed that the function is indeed being called and is running successfully, however the function is somehow unable to locate the element with ID of "bookmark" when it is fired with window.onload and as a result I get no bookmarking link. It's almost like window.onload is triggering itself too soon, before the div of "bookmark" is in the page, but how can that be?

## Finding Where The Top Of The Page View Is

Mar 23, 2007

This is sort of a hard question to describe, but here it goes:

I'm trying to completely center an element on a page (this means both horizontal and vertically). However, what I'm wondering is if there is a way, via the DOM functionality to make it so if, say, you've scrolled X-distance down the page it centers it in the current view of the page, not to the original view of the page.

## Get The Number Of Elements In An Array?

Jun 30, 2011

how can I get the number of elements in an array

Code JavaScript:

[code]....

## JQuery :: Finding The Value Of Attribute B In Elements Named Bar Where Attribute A Has The Value 30

Sep 1, 2010

I'm learning jQuery with XML. I'm familiar with other query languages such as XPath. I'm having a little bit of difficulty wrapping my brain around how jQuery works but I think I can make the leap if I see a solution to a problem I know how to solve with other methods Given the following XML, please share a jQuery solution to finding the value of attribute B in elements named bar where attribute A has the value 30:

[Code]...

## Finding And Replacing Text In A Page?

Dec 5, 2010

I have this page created, And in the page is a news header, In the header it says %ss%. Can someone help me create code, so that in the footer of the page javascript finds this %ss% and replaces it with text from a webpage?Code:What the web page that needs inserting does:I have this game and it uses php fsockopen to determine if a port is open. If the port is in use the page displaysThe server is <font color="#0066FF"><b>Online!</b></font>Otherwise it's:The server is <font color="#FF0000"><b>Offline!</b></font>

## Count Number Of Elements In A Form

Jan 15, 2004

how do i count the number of elements in a form ?

document.FormName.elements.length
i get this error from mozilla firebird:

Error: document.FormName has no properties

are u allowed to access forms directly in this way ?

## Take X Number Of Elements And Organize Them Into A Table?

Sep 9, 2010

I'm trying to take X number of elements and organize them into a table.For example, if I had 7 elements, I'd want 2 rows of 3 and 1 row of 1. If I had 15 elements, I'd want 3 rows of 5, and if I had 11 elements I'd want 2 rows of 4 and 1 row of 3.I'm drawing a total blank on how to go about solving this logic problem. Has anybody come across this problem themselves and solved it?

EDIT: Maybe a little more info would do you good. I'm generating an unordered list and I want the LIs to be as large as possible. It sounds almost like calculus, but I need to figure out the largest size of the images I can fit into a given area when I have X number of images.

## Get The Number Of Elements Inside Another Element

Nov 27, 2011

I'm working on an exercise I need to have finished pretty soon. The concept is simple: online bookstore with cart etc. It's written on php, using JS and mysql.

Each time I view a book's details, I can add it to my cart, where I can also alter it's quantity.

The code for my cart is this:

PHP Code:

As you can see, each time I choose a book to add it to my cart, a new span will be created, to hold the info of this book. What I need to do with the ManageItem js function, is to update the total cost at the bottom of the page, but I can't seem to be getting anywhere.

Here is what I've done so far:

Code:

## Finding A "find On Page" Script That Will Display The Results In The Middle Of The Page For IE

Aug 22, 2010

finding a "find on page" script that will display the results in the middle of the page for IE. I have tried several different ones to no avail. The ones that work in all the browsers display the result in IE at the very bottom of the page. I am not very familiar with programing in Java and I am unable to modify any for my needs. The one I found that did work in IE didn't work in any other browsers.

## JQuery :: Add A Number To The Class On A Sequence Of Elements?

Jul 29, 2011

I've got some code like this:

\$(".slide-1").hover(
function () { \$('.caption-1').animate({ bottom:0 },200); },
function () { \$('.caption-1').animate({ bottom:-35 },200); }

[code]....

I don't have to repeat this block over and over manually? I know I can get jQuery to repeat each code block and insert the number automatically.

## JQuery :: Div With A Considerable Number Of Elements, Sub Divs?

Sep 9, 2011

Does the detach method work recursively? Say I have a div with a considerable number of elements, sub divs, etc and many of these elements have listeners, will detach preserve all of these elements or just the listeners on the parent?

## Count The Number Of Elements Who Display Block?

Sep 26, 2009

So never done this one before so I am having a bit of a time trying to figure this one out.

Say I have a list of LI element and only a few of them have a inline style of display block, the rest have a display of none.

How would I go about looping through and dertmining the number of elements that have a display of block?

for(var m = 0; m < li.style.display.length; i++)
{
};

The above is just crazy but where my mind melts..

## JQuery :: Number Of Elements (count / Size / Length)

Aug 6, 2009

I'm trying to figure out how to make something happen only if there are more than one link inside a div.[code]For now I'm trying to make the little div with the class "cover caption" NOT move when there is only one link in the div.THe reason for this is that I want the whole div to be clickable if there is only one link inside.

## JQuery :: Adding A Class With A Delay To An Unknown Number Of Elements?

Nov 15, 2011

This is a hard one for me: I got some elements with the class "tiles". What I am looking for is a function, which adds a class "flip" to each element but with a delay between each call of addClass(".flip"), so that the elements change the way they look sequentially, not one after another, but with a delay. Has anyone an idea?

## Does A Form Element Know Its Own Index Number In The Forms[].elements[] Array

Aug 24, 2010

I have a form element that looks like this:

<input type="text" onchange=doSomething(this)>

and a function:

function doSomething(theField){
}

I know that within the function I can access properties of the field (e.g. theField.name and theField.value). But how do I access theField's index number in the form's elements[] array -- from the "this" reference that was passed to the function? I.E. if this field is elements[3], how can I get at that 3?

## Simple Search-type Page To Enable Users To Input A Model Number And Its Page Appears In A Inline Frame?

May 6, 2009

I am using a very simple search-type page to enable users to input a model number and its page appears in a inline frame. Its not a true search as it is simply relying on a person entering the correct html page name to find it. But this works perfectly in my application.The problem I have is that I cannot get the type box to accept enter key as a submitt, only a click of the mouse will submitt the request. If enter is pressed the box loses the users input but no action is taken.I think this may be a javascript issue. I have posted the code below.

[CODE]
<html>

[code]....

## Reset Page Number While Printing A Html Page?

Sep 13, 2010

I want to print a html page which has contents wrapped in several div tags. I need to insert page break after each div tag and the page numbers need to start from one, after each page break. I could insert page break using the following java script code.

var allDivs = document.all.tags("div");
for (i=0; i<allDivs.length; i++) {
allDivs(i).style.pageBreakAfter = "always";
}

But the page number is continuous. How can I change the page number for each pagebreak?

## Correct Syntax For An Nested Array Where Each Array Element Has 3 Elements, A Number And Two Text Strings?

Sep 17, 2010

What is the correct syntax for an nested array where each array element has 3 elements, a number and two text strings?

Code:

array = ['1, Old Man, Old Man','2 Black Sheep, Black Sheep',....]

should the text strings be in double quotes("")?

Code:

array = ['1, "Old Man", "Old Man"','2 "Black Sheep", "Black Sheep"',....]