Develop Reference

Changing input box also need to find check box checked or not in JS

I have input box along with checkbox in table <td> like below,
<td>
<input class="Comment" type="text" data-db="comment" data-id="{{uid}}"/>
<input type="checkbox" id="summary" title="Check to set as Summary" />
</td>
Based on check box only the content of input box will be stored in DB.
In the JS file, I tried like
var updateComment = function( eventData )
{
var target = eventData.target;
var dbColumn = $(target).attr('data-db');
var api = $('#api').val();
var newValue = $(target).val();
var rowID = $(target).attr('data-id');
var summary = $('#summary').is(':checked');
params = { "function":"updatecomments", "id": rowID, "summary": summary };
params[dbColumn] = newValue;
jQuery.post( api, params);
};
$('.Comment').change(updateComment);
But the var summary always returning false.
I tried so many ways prop('checked'),(#summary:checked).val() all are returning false only.
How to solve this problem?

Looks like you have multiple rows of checkboxes + input fields in your table. So doing $('#summary').is(':checked') will return the value of first matching element since id in a DOM should be unique.
So, modify your code like this:
<td>
<input class="Comment" type="text" data-db="comment" data-id="{{uid}}"/>
<input type="checkbox" class="summary" title="Check to set as Summary" />
</td>
And, instead of $('#summary').is(':checked'); you can write like this:
var summary = $(target).parent().find(".summary").is(':checked');
By doing this, we are making sure that we are checking the value of checkbox with the selected input field only.
Update: For listening on both the conditions i.e. when when checking checkbox first and then typing input box and when first typing input box and then checked:
Register the change event for checkbox:
// Whenever user changes any checkbox
$(".summary").change(function() {
// Trigger the "change" event in sibling input element
$(this).parent().find(".Comment").trigger("change");
});

You have missed the jQuery function --> $
$('#summary').is(':checked')
('#summary') is a string wrapped in Parentheses. $ is an alias for the jQuery function, so $('#summary') is calling jquery with the selector as a parameter.

My experience is that attr() always works.
var chk_summary = false;
var summary = $("#summary").attr('checked');
if ( summary === 'checked') {
chk_summary = true;
}
and then use value chk_summary

Change all the occurrences of
eventData
To
event
because event object has a property named target.
And you should have to know change event fires when you leave your target element. So, if checkbox is checked first then put some text in the input text and apply a blur on it, the it will produce true.

Use like this
var summary = $('#summary').prop('checked');
The prop() method gets the property value
For more details, please visit below link.
https://stackoverflow.com/a/6170016/2240375

Place div.innerHTML as a hidden form value

I have a long page with identical section I am attempting to combine into one that has:
TITLE
description
form
I have working mouseovers that change the title and description, but need a solution to change the value of a hidden form input to the new titles when changed.
HOW do I get the hidden form value to change onmouseover to equal current TITLE.value?
Milestones
PHP
function changeContent(id, msg) {
var el = document.getElementById(id);
if (id) {
el.innerHTML = msg;
}
}
FORM
<input type="hidden" value="" name="category" />

Is this what you're looking for?
document.getElementById('hiddenInputId').value = msg;

Your hidden element doesn't have an Id, so you can use following:
var elems = document.getElementsByName('category');
elems[0].value = <<new value>>
getElementsByName always returns an array so you have to pickup first element and set its value.
Cheers !!

Using Javascript to get value from input

my html code:
<li id='category-10'>
<label class="selectit">
<input value="10" type="checkbox" name="post_category[]" id="in-category-10" /> Developmental
</label>
</li>
my javascript code:
function onCategoryClick() {
$(".selectit").click(function(e){
var categoryValue = $(e.target).text();
alert("The value is " + categoryValue);
});
}
This returns me the string "The value is Developmental" but what I want is "The value is 10"
I'm new to Javascript, how would I go about targeting the value field in the input, instead of the text?
I've also tried
var categoryValue = $(e.target > input).value;
But this doesn't return anything.

Instead of
$(e.target).text();
try
$(this).find('#in-category-10').val();
Here e.target corresponds to the label . And it has text 'Developmental' and also a nested input element.
So you need to use find to access it. (If there is no id)
But ID is supposed to be unique on the page. So to access the element you can directly used the id selector
var categoryValue = $('#in-category-10').val();
And remember that input has no text property. Need to use the val method

Update hidden input value with onclick event from ajax drop down menu

I'm working with MachForm and have this hidden field that I've added:
<input type="hidden" name="element_273_price" value="">
I've integrated an ajax drop down menu that allows for an onclick event to be fired. I'd like the hidden field above to have a value inputted after the onclick event (onclick would tell the hidden field what the item was and price for that item) so that I can then pass it along through the rest of the JavaScript for the updating of the price on screen.
Here's my code for calculating a text box:
$('#main_body li[data-pricefield="text"]').delegate('input.text','keyup mouseout change', function(e) {
var temp = $(this).attr("id").split('_');
var element_id = temp[1];
var ordered = (document.getElementById("element_" + element_id).value);
var price = $(this).data('pricedef');
var price_value = price * ordered;
price_value = parseFloat(price_value);
if(isNaN(price_value)){
price_value = 0;
}
$("#li_" + element_id).data("pricevalue",price_value);
calculate_total_payment();
});

Try to put in your php file:
'onlick' => '$("element_'.$yourelementid.'_price").val("'.$data['price'].'");'
Then you'll have in your javascript to get the value from this hidden input instead of the data-pricedef attribute of your "Quantity" input.
Correct me if I do not understand your problem. I tried to reply from the code you showed in your video.

If you change the input to
<input type="hidden" id="element_273_price" value="">
You should be able to do
$("#element_273_price").val(price_value);

array input text get value

i want to get input text value of array in javascript
this is my code :
Item : <input id="t_item" name="t_item[]" type="text" class="teks3">
Cost : <input id="t_cost" name="t_cost[]" type="text" class="teks3">
<input type="button" id="tb_more_item" class="add_file"/>
and the js code is :
$("input#tb_more_item").click(function(){
var new_file = $("
Item : <input id='t_item' name='t_item[]' type='text' class='teks3'/>
Cost : <input id='t_cost' name='t_cost[]' type='text' class='teks3'/>
");
$("div#div_item").append(new_file).fadeIn();
});
i try to get more item value with this code :
var item_value = [], cost_value = [];
$("input#t_item").each(function() {
$thisItem = $(this);
item_value = $thisItem.val();
});
$("input#t_cost").each(function() {
$thisCost = $(this);
cost_value = $thisCost.val();
});
alert(item_value +"-"+ cost_value );
the result is get the last value value i've typed in the input text.
does anyone have the solutions?
thanks

You're creating invalid html by appending elements with duplicate ids. Update the .each() selectors to use the name attribute instead.
Also, inside the .each() functions you are overwriting the array variables with the value of the current item - that is, the array gets thrown away and replaced with the value, which is why that variable holds only the last value after the .each() finishes. What you want to do is add the value of each input as a separate element in the array:
$('input[name="t_item\\[\\]"]').each(function() {
item_value.push(this.value);
});
And similar for t_cost.