Question On Highlighting Cells In Table

Jun 24, 2006

There's a CSS code which is:

<style type="text/css">
tr.hi td, td.hi {
background-color: #ccc;
}
table.extra tr.hi td, table.extra td.hi {
color: red;
text-decoration: underline overline;
background-color: transparent;
}
</style>

1. Could anyone explain to me the naming of tr.hi td, td.hi? Why couldn't they just name it tr.hi, td.hi?

Further down the page, there's a code:
parent_row.className += ' hi'

2. Why not += ".hi"?

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Jul 23, 2005

I have written a simple webpage that presents a table. A JS function
allows the viewer to click on a cell and each cell with the same
content has the background color changed to lime green. Each cell that
was previously highlighted has the background color changed back to
white. This works great with Firefox but does not work correctly with
IE. In IE, none of the previously highlighted cells has the background
color changed back to white. How can I modify the syntax so that it
will work in both browsers? Below is the JS function...

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Jun 15, 2010

I am looking for a way to highlight the row and column header cells as the cursor moves over a cell within the HTML table. This is the code I'm using, but I'm not sure how to identify the TH node of a current (highlighted) cell.

Code:
var table = document.getElementByID("tableId");
var row = table.parentNode();
var col = table.childNodes();

I am wondering if "this" would help in that regard, as in

[Code]...

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Jun 7, 2010

I have a dynamic HTML table which gets populated by coldfusion and displayed in the page, I have a column called performace which holds numeric values. I need to select the top 3 best performace value in the column and then highlight the entire row in different colours (top 3 values for performance). Can any one help me in doing it?My server can run only Javascript and coldfusion, No Ajax/PHP.I need a complete set of code which such that I will add the script and it performs the calculating and highlighting part.

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Dec 8, 2010

I have a table that I wrote/borrowed a function to clone a row in a table. I want the new row to be cleared of data.

$("#addrow").live("click", function() {
//clone last row to variable
var row = $('#dataTable tbody>tr:last').clone(true);
//clear text boxes

[Code]....

The code to clear the text boxes and selection boxes work great. The code to clear the text from the table cells that do not have a form element do not work at all. The .Client and .Project cells that I want to clear are populated by an ajax call and the .total cell is populated by a function that sums the values the text boxes.

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Sep 29, 2010

I need to perform dynamic row highlighting on a table of mine using an external Javascript file.So far i have linked the sheet, and written some code but it seems not to be working or i have done it wrong. The following is my javascript code.

var rows = document.getElementByTagName('tr');
for (i=0;i<rows.length;i++) {
rows[i].onmouseover = highlight;

[code]....

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Apr 7, 2010

I'm trying to make a php/jquery-based puzzle game where I have a standard html table (#puzzlegrid) generated by php, and I want to highlight certain parts of it when the mouse is hovering over it. I have one table where there are four different parts (split in the middle vertically and horizontally), separated by id's. The left and topmost cells has id="empty", all the rows beneath these has id="row-clues", the columns next to "empty" has id="column-clues" and finally the bottom-right cells has id="playing-grid", which the hover-function belong to. The number of #column-clues and #column-rows can vary, both in the count of rows and columns. I can give a example code if it's necessary.

As for the jquery-part, I simply want to highlight (add a css class) the current row and column when i hover over the #playing-grid cells. That means selecting all #column-clues and all #column-rows cells that exist on the same row/column the mouse is hovering over. This is what I have so far

$("#puzzlegrid td#playing-grid").hover(function() {
var current_rowIndex = $(this).parent()[0].rowIndex;
var current_columnIndex = $(this).parent().children().index($(this));
$("tr").eq(rowIndex).addClass("highlight");

[Code]....

I've tried a for-loop and each() without luck, as far as my jquery skills goes (and that's not far ). Is it possible to use the index for highlighting several columns, or do I have to do it another way? I can change the HTML code if that's necessary.

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Jun 7, 2010

I have a dynamic HTML table which gets populated by coldfusion and displayed, I have a column called performace which holds numeric values. I need to select the top 3 best performace value in the column and then highlight the entire rows in different colours. Can any one help me in doing it?

My server can run only Javascript and coldfusion, No Ajax/PHP.

Hint : Something like a code to highlight a <tr id=#idx#> with this ID = #idx#.

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Jul 23, 2005

How in javascript can I swap the cells in a table? I know I can copy the innerHTML and style and other bits manually but can I just swap 2 cells in different rows?

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Jan 7, 2010

I am confuseif i use JS.. its should be in <head> but table should be in <body>.. how am i going to use that.. and put images in that table cell using JS?

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Nov 24, 2010

In my attempt to understand the workings of the code at: [URL].. I modified it a bit. My question is: What am i doing wrong with the 'testContents()' function? The rows of the table see to be added to the display, but I can not confirm that fact with the test function.

Code:
<html>
<head>
<title>New Table Rows</title>
<script type="text/javascript">
// From: http://www.webdeveloper.com/forum/showthread.php?t=238921

[Code]...

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Oct 13, 2008

I have table like this:

<table>
<tr>
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<td><div class="drop">a</div></td>

[Code].....

but if I once resize the block called res, it always select block called drop and I'd like to split the cells only if I just resizing the block called res.

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May 15, 2010

I know that JQuery is a very powerful library and was just wondering if it had the following capability that I really need.

Lets say I need to insert new cells into a table row, I know how to do this basic task, but I need to insert my cells in a highly unusual way due to some of the requirements that are needed for the new cells.

I need to be able to insert cells a certain distance into the row, For example, if a row was 1000pixels wide, is there a feature in JQuery that would allow me to insert the cell 250pixels into the row and have a cell width of 50pixels and insert another cell 500pixels into the row with a cell width of 100pixels. I know how to set a cells width using JQuery, just not distance into a row.

The values wont ever be the exact same as above though because they are actually read from a database, so for example, one cell would have the following values [code]...

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Aug 16, 2010

I have a query regarding the hide/show of the cells in a table.

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I want apply the same setting of hide and show cells into the remaining columns also.

By selecting 'no' from first column -> hide other corresponding cells of the row
by selecting 'yes' from the first column -> show other corresponding cells of the row

AND ALSO

By selecting 'no' from third column -> hide fourth cell of the corresponding/same row by selecting 'yes' from the third column -> show fourth cell of the corresponding/same row

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Jul 23, 2010

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Here is my code.
function showResultsTable(searched, srchedname) {
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// creates a <tr> element
mycurrent_row = document.createElement("tr");
mycurrent_cell[0] = document.createElement("td");
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mycurrent_cell[0].appendChild(currenttext);
mycurrent_row.appendChild(mycurrent_cell[0]);

mycurrent_cell[1] = document.createElement("td");
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I want to move my image through table cells by using arrow buttons.

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function addSearchRow() {
var mydiv = document.getElementById('searchTableResults').getElementsByTagName('tbody')[0];
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[code]....

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Aug 10, 2010

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has anyone done this and can paste me some code to use?

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Feb 2, 2010

I am trying to manipulate table cells in a dynamically created table but I find it next to impossible how to do it.

The table I have has the following structrure:

--------------
| Color | Item |
|------|------|
|Blue...| Car |
|------|------|
|Blue...| Boat |
---------------

what i want to do is using javascript or jquery on the client side to convert this table to the following structure:

--------------
| Color | Item |
|------|------|
|........| Car |
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---------------

I can get up to the point to increase colspan of row1, cell 1 to 2 but this creates the following structure:

--------------
| Color | Item |
|------|------|
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Before, someone here told me to put the following code in the footer. However, it's not working anymore for some reason.

Code:
jQuery(document).ready(function(){
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Jun 8, 2010

I'm dynamically creating an HTML table using JQuery. I'm not assigning id's to the tr or td tags in the table. The reason I'm not, is that it seems complicated, given that the table is initially loaded and then the user can add and delete rows. I'll also need to sort the table on demand.

I maintain the current row the user has clicked on as a global variable (curRow) using this...
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<TR>
<TH CLASS="ddheader" scope="col" > </TH>
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[code]....

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[Code].....

I would be really happy if when something like this would be possible:

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