Develop Reference

Adding html to a table using jquery

I have html table like this:
<table cellpadding="2" cellspacing="1" width="700">
<tbody>
<tr>
<td class="dark" colspan="2">
Customer Details
</td>
</tr>
<tr>
<td>
Customer Contact Name
</td>
<td>
<input name="tbname" type="text" id="tbname" class="widetb">
</td>
</tr>
</tbody>
</table>
I want to add Some text at the start of the table so it's the first td in the table, how can I do this using jquery? I really don't have clue where to start.
I have to do it this way as I don't have access to change this via the html.

Here is a one liner :
$('td.dark').text('Enter your text here!'); // the class is present in your HTML
This will search for the td with class dark which represents the first td and it will insert the text.
In case you have multiple tables:
$('td.dark').eq(0).text('Enter your text here!');
// here 0 represents the position of the table minus 1 , you want to change the text

As example, so:
$('td', 'table').first().text('hello!');

You could try a google search next time.
The jquery method find finds the set of elements in a parent matching a selector, and eq selects a certain element from the set (with element 1 being referenced by 0 as in arrays). Therefore, you can use the following if you only have one table in your entire document:
$("table") // select all tables
.eq(0) // select the one you want (the only one)
.find("td") // select all td's
.eq(0) // select the first one (the one you want)
.html("insert new content here"); // set the td's inner html
If you have multiple tables, it's tricky. You will need the index of your table relative to other tables. For example, if you have
<table>...</table>
...
<table>...</table>
...
<table>table you are targeting</table>
.......
Then the index of your table would be 2 because it is the third table in the document, and indices start at 0. If you have an index, you can use
var table_index=// set this to the index
$("table") // select all tables
.eq(table_index) // select the one you want (with the index)
.find("td") // select all td's
.eq(0) // select the first one (the one you want)
.html("insert new content here"); // set the td's inner html

It helps if you give your table an id, then you can do something similar to:
$('#id >tbody').prepend('<tr><td>A shiny new row<td></tr>');

Give ID to that First td as your code looks like
<table cellpadding="2" cellspacing="1" width="700">
<tbody>
<tr>
<td id="firsttd" class="dark" colspan="2">
Customer Details
</td>
</tr>
<tr>
<td>
Customer Contact Name
</td>
<td>
<input name="tbname" type="text" id="tbname" class="widetb">
</td>
</tr>
</tbody>
</table>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script type="text/javascript">
$('#firsttd').text("Your title here");
</script>

If you can't access the HTML at all and if you have multiple tables then this will work:
var newTR = $( "<tr id='newRow'/>" );
var newTRcontent = "<td colspan=1>Your New Text Here</td>";
$("table:nth-of-type(2) tbody tr").first().before(newTR);
$("#newRow").html(newTRcontent);
I made an example fiddle here
Basically it about using the proper JQuery selector so $(table:nth-of-type(2) will select the second table. Then you can use the code I have above or maybe even better yet here is a one-liner:
$("table:nth-of-type(2) tbody tr").first().before("<tr><td>Your New Text Here</td></tr>");

Javascript Manipulation on included DOM element

Basically what I am doing is dynamically loading external HTML files depending on a drop-down selection in classic ASP. It's an old system for someone I work for, so there's not really many choices I have except to figure this out. The included HTML is only a table of data such as this;
<table cellspacing="0" cellpadding="0" style="vertical-align:top; width:100%; ">
<tr style="line-height:14px;" >
<td width="150"><b style="color:#888888;">Symbol<b></td>
<td ><b style="color:#888888;">Security</b></td>
<td width="150" style="text-align:right;"><b style="color:#888888;">Amount</b></td>
<td width="150" style="text-align:right;"><b style="color:#888888;">Mkt Value</b> </td>
<td width="150" style="text-align:right;"><b style="color:#888888;">Est.Next Date</b></td>
</tr>
<tr style="line-height:14px; background-color: #f0f0e8;">
<td>QPRMQ</td>
<td>BANK DEPOSIT SWEEP PRGRAM FDIC ELIGIBLE</td>
<td style="text-align:right;">100.00%</td>
<td style="text-align:right;">$191.77</td>
<td style="text-align:right;" id="NextSWPDate">11/15/2010</td>
</tr>
</table>
I want to run a function on the TD element with the ID of "NextSWPDate", but since this is "included" html I just receive the error of;
Unable to set value of the property 'innerHTML': object is null or undefined
My function is just generic right now trying to do any manipulation on the object I can, after I get that set, I can write the real logic quickly and easily.
function SetNextSWPDate(){
document.getElementById("NextSWPDate").innerHTML = "this is a test";
}
Thank you,
NickG

Your tag mentioned jQuery, so I hope a jQuery solution is acceptable. A standard $("#NextSWPDate").text("whatever"); worked just fine for me. http://jsfiddle.net/pCx9K/

In case of included HTML or generated HTML, you might want to wait with executing javascript until the DOM is fully loaded.
To do so, try using the window.onload of javascript or the $(document).ready function of jQuery.

The property is read/write for all objects except the following, for
which it is read-only: COL, COLGROUP, FRAMESET, HEAD, HTML, STYLE,
TABLE, TBODY, TFOOT, THEAD, TITLE, TR.
Colin's work-around (setting innerText on the td instead of innerHTML on the tr)
is a good one in your case. If your needs become more complex, you'll have to
resort to The Table Object Model.
Source from Why is document.getElementById('tableId').innerHTML not working in IE8?
Refer http://msdn.microsoft.com/en-us/library/ms533899%28v=vs.85%29.aspx

Ok, so you must implement a callback function to your jQuery.load function : $("#yourDiv").load("youExternalFile",function(){//your stuff here ... }); see api.jquery.com/load/#callback-function – mguimard 3 hours ago

Removing some text data in HTML file

I am working on visualforce pages. below is given the part of HTML file code that has been generated after executing the apex code.
<table class="detailList" cellspacing="0" cellpadding="0" border="0">
<tbody>
<tr></tr>
<tr>
<td class="labelCol"></td>
<td class="dataCol col02"> userName </td>
<td class="labelCol"></td> <td class="dataCol"></td>
</tr>
<tr>
<td class="labelCol"></td>
<td class="dataCol col02"></td>
<td class="labelCol"></td>
<td class="dataCol"></td>
</tr>
</table>
I want to remove the userName anchor tag from this page which is coded in line# 6 whose class Name is "dataCol col02", and there is another anchor tag with the same class name "dataCol col02" at line# 11. keep it in mind that this html is generated by executing an APEX code. Kindly guide me how could i remove the anchor tag at line#6 only..

You can use find, first and remove methods.
$('.dataCol.col02').first().find('a').remove();
In case that you want to remove the userName textNode:
$('.dataCol.col02').first().contents().filter(function () {
return this.nodeType === 3;
}).remove();
Removing all the contents:
$('.dataCol.col02').first().empty();

Use this
$(function(){
$(".dataCol.col02:first a").remove();
});
Demo

You could do something like:
var anchor = document.getElementsByClassName("col02")[0] //select first matching 'col02'
.getElementsByTagName("a")[0] //select first matching <a>
anchor.parentNode.remove(anchor)
You can see it running here: jsfiddle
This assumes of course you only ever want to remove from the first instance of something with class='col02', so is not hugely robust. I imagine the fact it's generated means you can't put in more helpful class/id attributes?
On the flipside unlike the other answers it doesn't depend on jquery : )

Try this -
$('td.dataCol.col02').eq(0).find('a').remove();
or if you would like to empty that td -
$('td.dataCol.col02').eq(0).empty();

$("table .dataCol.col02:first a").remove();

Try this:
$("tr:eq(1) > td:eq(1)").remove()

Do this >>
$(".col02:first > a").remove();
Example Fiddle

Change with jQuery a cell of a table created with JSF

From within a xhtml page created with JSF, I need to use JavaScript / jQuery for changing the content of a cell of a table. I know how to assign a unique id to the div containing the table, and to the tbody. I can also assign unique class names to the div itself and to the target column. The target row is identified by the data-rk attribute.
<div id="tabForm:centerTabView:personsTable" class="ui-datatable ui-widget personsTable">
<table role="grid">
<tbody id="tabForm:centerTabView:personsTable_data" >
<tr data-rk="2" >
<td ... />
<td class="lastNameCol" role="gridcell">
<div> To Be Edited </div>
</td>
<td ... />
</tr>
<tr ... />
</tbody>
</table>
</div>
I have tried with many combinations of different jQuery selectors, but I am really lost. I need to search my target row and my target column inside that particular div or inside that particular table, because the xhtml page may contain other tables with different unique ids (and accidentally with the same row and column ids).

Something like this?
$("#tabForm\\:centerTabView\\:personsTable tr[data-rk=2] td.lastNameCol div").text("edited");
Or if personsTable is unique enough in the current view
$("[id$=personsTable] tr[data-rk=2] td.lastNameCol div").text("edited");

Please check this fiddle for your new html code
Fiddle without colon
Fiddle with Colon

How to select first td element and its text with Jquery

I want to change the "Yes! Pick me" into "Picked" with Jquery in the following HTML structure, I used $('#myDiv>table>tr>td>table>tr').eq(1).text("Picked"); But it was not working. Could someone shed some light on this please? Thanks!
FYI, the first td of the the first table itself contains another table...
<div id="myDiv">
<table>
<tr>
<td>
<table>
<tr>
<td>Yes! Pick me!</td>
<td>Not me..</td>
</tr>
<tr>
<td>Not me..</td>
</tr>
</table>
</td>
<td>Not me..</td>
</tr>
<tr>
<td>Not me..</td>
</tr>
</table>
</div>
The section $('#myDiv>table>tr>td>table>tr>td').eq(1).text("Picked"); does the trick, I forgot the last td part. Thanks to Rocket and everyone's help.

Try this:
$("#myDiv table table td:first").text("Picked")

$('#myDiv').find('table table td').eq(0).text(...);
Start your selection at the #myDiv element ($('#myDiv')), then find all the TD element that are inside a table that is inside another table (.find('table table td')), then only alter the first one (.eq(0)).
Documentation:
.find(): http://api.jquery.com/find
.eq(): http://api.jquery.com/eq

The main problem is that you want .eq(0) not .eq(1) as .eq() is 0-based, and you are not selecting the td, only the tr.
Other than that using > direct descendant selectors makes your selection not very robust at all.
Try $('#myDiv table table td').eq(0).text('Picked');

You can try:
$("td:contains('Yes! Pick me!')").text("Picked"); ​

You can use the :contains(text) selector
$('#myDiv td table td:contains(Yes! Pick me!)').text('Picked');
Be careful with nested tables however because if you were to use just
$('#myDiv td:contains(Yes! Pick me!)').text('Picked');
You would get both the cell your after plus the cell it is nested within.

Your child selector query won't work because HTML5 requires the parser to insert <tbody> elements inside your <table> elements, since you've forgotten to put them in yourself. Perhaps you should consider validating your HTML?