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Bulk selecting of checkboxes per table using javascript & PHP

I'm trying to make a bulk action function.
What I want:
- Bulk selection in multiple tables, but one <form>
- At every table one select box to select all items inside that table
Example of my code
<form method="post">
<table class="list1">
<tbody>
<tr>
<td class="bulkCheckbox nummer">
<input type="checkbox"
name="checkProducts" onclick="checkAll('list1, this')" />
</td>
</tr>
<tr>
<td>
<input class="bulkCheckbox" type="checkbox"
name="bulkCheckProduct[]" value="2810" />
</td>
<td>
<input class="bulkCheckbox" type="checkbox"
name="bulkCheckProduct[]" value="2811" />
</td>
</tr>
</tbody>
</table>
<table class="list2">
<tbody>
<tr>
<td class="bulkCheckbox nummer">
<input type="checkbox"
name="checkProducts" onclick="checkAll('list2, this')" />
</td>
</tr>
<tr>
<td>
<input class="bulkCheckbox" type="checkbox"
name="bulkCheckProduct[]" value="2812" />
</td>
<td>
<input class="bulkCheckbox" type="checkbox"
name="bulkCheckProduct[]" value="2813" />
</td>
</tr>
</tbody>
</table>
</form>
<script>
function checkAll(table, bx) {
var checkname = document.table.getElementsByClassName("bulkCheckbox");
for (i = checkname.length; i--; ) {
checkname[i].checked = bx.checked;
}
}
</script>
Now I got the php part worked, so when I select multiple select boxes, the $_POST returns my values.
Also the Javascript part worked for me, so select all checkboxes per table.
But Javascript and PHP together won't work for me..
How can I fix this to let the JS and PHP work together?
I've tried multiple scripts but none of them worked for me.
The error I get from JS:
Uncaught TypeError: Cannot read property 'getElementsByName' of undefined
What I try, nothing works..

Try the below code
function checkAll(table, bx) {
var checkname = document.getElementsByClassName("bulkCheckbox");
for (i = checkname.length; i--; ) {
console.log(checkname[i]);
console.log(bx);
checkname[i].checked = bx.checked;
}
}
<form method="post">
<table class="list1">
<tbody>
<tr>
<td class="bulkCheckbox nummer">
<input type="checkbox"
name="checkProducts" onclick="checkAll('list1', this)" />
</td>
</tr>
<tr>
<td>
<input class="bulkCheckbox" type="checkbox"
name="bulkCheckProduct[]" value="2810" />
</td>
<td>
<input class="bulkCheckbox" type="checkbox"
name="bulkCheckProduct[]" value="2811" />
</td>
</tr>
</tbody>
</table>
<table class="list2">
<tbody>
<tr>
<td class="bulkCheckbox nummer">
<input type="checkbox"
name="checkProducts" onclick="checkAll('list2', this)" />
</td>
</tr>
<tr>
<td>
<input class="bulkCheckbox" type="checkbox"
name="bulkCheckProduct[]" value="2812" />
</td>
<td>
<input class="bulkCheckbox" type="checkbox"
name="bulkCheckProduct[]" value="2813" />
</td>
</tr>
</tbody>
</table>
</form>
'this' the parameter you are passing in checkAll() is passed as a string.

Un/Check checkbox in table found by name (table value)

I want to Check or Uncheck an Checkbox which is part of an tr.
From this tr I already have the Name as Information.
I need something like "Uncheck checkbox on tr where tr.name = $name"
<tr>
<td id="klauselname">
002
</td>
<td>
50591
</td>
<td>
Text
</td>
<td id="td-center">
<input class="check-box" disabled="disabled" type="checkbox" />
</td>
</tr>
<tr>
<td id="klauselname">
003
</td>
<td>
50601
</td>
<td>
Text
</td>
<td id="td-center">
<input class="check-box" disabled="disabled" type="checkbox" />
</td>
</tr>
Do u have any idea? o.o

First of all , as others pointed out , IDs in your DOM should always be unique. You can use classes or other attributes for mass manipulation , but not IDs.
So lets clear the duplicate ids like this and at the same time add some IDs on your Checkboxes.
<tr>
<td id="myUniqueID_1">002</td>
<td>50591</td>
<td>Text</td>
<td class="td-center" id="myUniqueID_3">
<input id='myCheckBox_1' class="check-box" disabled="disabled" type="checkbox" />
</td>
</tr>
<tr>
<td id="myUniqueID_2">003</td>
<td>50601</td>
<td>Text</td>
<td class="td-center" id="myUniqueID_4">
<input id='myCheckBox_2' class="check-box" disabled="disabled" type="checkbox" />
</td>
</tr>
now we can add a function that will take care the Checkbox changes. We will use the checked property and will change it to false or true depending on our needs.
<script>
function changeState(elID){
var myCheckBoxStatus = document.getElementById(elID).checked;
if(myCheckBoxStatus)
document.getElementById(elID).checked = false;
else
document.getElementById(elID).checked = true;
}
</script>
and lets also place a button to test it out
<button onclick='changeState("myCheckBox_2");'>Toggle</button>

Set the checkbox to checked for input fields in the first 2 table rows

I want to set the checkbox to checked for input fields in the first 2 table rows of a table.
markup
<tbody>
<tr>
<td>
<input type="checkbox" id="" class="checkinput financeOption"><!--want this checked on page load-->
</td>
<td class="datatd">
<label id="">Option 1</label>
</td>
</tr>
<tr>
<td>
<input type="checkbox" id="" class="checkinput financeOption"><!--want this checked on page load-->
</td>
</td>
<td class="datatd"><label id="">Option 2 </label>
</td>
</tr>
<tr>
<td>
<input type="checkbox" id="" class="checkinput financeOption">
</td>
<td class="datatd"><label id="">Option 3</label>
</td>
</tr>
I know I can use $( "").prop('checked', true); to set the property but struggling with figureing out how to target the first 2.
Thanks

You can use for example nth-child(-n+2) selector:
$('table tr:nth-child(-n+2) :checkbox').prop('checked', true);
http://jsfiddle.net/B8h7N/

Just slice them:
$("[type=checkbox]").slice(0,2).prop('checked', true);

KnockoutOut JS - why are these values not binding correctly?

I have this knockout observable array and I am trying to bind some of its values to my view. Where I am having difficulties is because its nested. I am not sure what the correct data-bind syntax is.
This is my observable array data:
I want to bind advertiserName within advertiser.
This is my HTML
<table id="tblBrand">
<thead>
<tr>
<th>Brand Name</th>
<th>
<button data-bind='click: $root.addBrand'>Add Brand</button></th>
</tr>
</thead>
<tbody data-bind="foreach: brands">
<tr>
<td>
<input data-bind="value: brandName" readonly="true" />
</td>
</tr>
<tr>
<td>
<table>
<tr>
<td>
<input data-bind="value: advertiser.advertiserName" />
</td>
<td>
<input data-bind="value: advertiser.advertiserRank" />
</td>
</tr>
</table>
<td>
Remove
</td>
</tr>
</tbody>
</table>
The way my binding works is I am looking within each brand. Each brand has an advertiser object and I want to drill into that. The second screenshot shows my syntax and what the page renders.

Because your advertiser is ko.observable you need to get its value with advertiser() if you are using it inside an expression:
<table>
<tr>
<td>
<input data-bind="value: advertiser().advertiserName" />
</td>
<td>
<input data-bind="value: advertiser().advertiserRank" />
</td>
</tr>
</table>
Or you can use the with binding:
<table data-bind="with: advertiser">
<tr>
<td>
<input data-bind="value: advertiserName" />
</td>
<td>
<input data-bind="value: advertiserRank" />
</td>
</tr>
</table>

How to find the previous element height using jquery

I have a table which is defined like:
<table>
<tr>
<td>
<label>First</label>
</td>
<td>
<input type='text' style='widht:200px; height:100px;' />
</td>
<td>
<button class='but'></button>
</td>
</tr>
<tr>
<td>
<label>Second</label>
</td>
<td>
<select style='widht:100px; height:150px;'>
<option>one</one>
</select>
</td>
<td>
<button class='but'></button>
</td>
</tr>
<tr>
<td>
<label></label>
</td>
<td>
<input type='text' style='widht:200px; height:100px;' />
</td>
<td>
<button class='but'></button>
</td>
</tr>
<tr>
<td>
<label>Third</label>
</td>
<td>
<textarea style='widht:500px; height:200px;'></textarea>
</td>
<td>
<button class='but'></button>
</td>
</tr>
</table>
Then on button click I want to get the height of the previous control. So I wrote this code:
$(".but").live('click',function(){
alert($(this).prev().css('width'));
alert($(this).prev().css('height'));
});
But the alert's are showing the values as undefined. How can I solve this?

Use:
var input = $(this).parent().prev().find("input");
if(input) { // You have a select, so this won't be found in all circumstances
alert(input.css('width'));
alert(input.css('height'));
}

Use real width() to get real width of an element instead of width defined in css (.css('width')). The same applies for height:
$(".but").live('click',function(){
alert($(this).prev().width());
alert($(this).prev().height());
});

you can try: jsFiddle
$(".but").live('click',function(){
alert($(this).closest("tr").find('input').css('width'));
// OR
//alert($(this).closest("tr").find('select').css('width'));
});

In fact there is no previous target of your buttons.
If you want the TD height, you should call .parent() instead.
And please, pay attention to your HTML !
EDIT: Fiddle updated:
http://jsfiddle.net/jVsRW/4/
$(".but").on('click', function() {
// Of course display null for the first button that do not have a previous form element.
alert($(this).closest('tr').prev().find('input, select, textarea').height());
});