Is it possible to have a JavaScript object that works just like a
standard Array, except that when the array is modified, a function
gets called which can then do some processing on the array?
Like this:
// SpecialArray has a function called Notify
function Notify()
{
// process the array with changes made
}
var myarray = new SpecialArray("zero", "one", "two", "three");
myarray[1] = "ein"; // after this change is made, function "Notify"
is called
I know you can derive a new object from Array, but you cannot directly
override the [] operator.
Can you add a function or event handler to a regular Array object that
gets called when the array changes?
How to fix browser cache and notmodified respond for JSON? jQuery.aja ({ifModified:true}) break on data respond (bug ticked for it was closed like invalid).
Are there any other solution to get 304:notmodified without breaking cache and data respond?
First time browser request [url] returns status 200 OK and nexts 304 Not Modified
I am dumbfounded by this. I have a form where a user enters text for an event which is posted to a database on submit. The form is not running a script and is not necessarily part of a session. The page where you enter data is .asp in name only (it loads shared header and footer files).
After about 30 minutes, when the user clicks the submit button, nothing appears to happen. The page sits there in front of you. Text can still be added to the fields, the button press animation occurs, but there is noone home.
Weirder (?) still is that this only seems to occur in Internet Explorer. Timed trials in FireFox have the form still functioning well after the 45 minute mark.
My customer is obivously upset that his form does not function.
Nutshell version: I need to fire off a javascript call whenever an ASP.NET UpdatePanel is updated, and I'm not sure how to do it. Detailed version: I have an ASP.NET page that has several UpdatePanels. Some of these are in my own code and I have access to, some are used by third party controls (e.g. ReportViewer) and I don't have direct access to them.
My website also uses jQuery Mobile to render the controls in a mobile friendly way. The problem I'm having is that whenever something in an UpdatePanel is updated, the newly updated contents don't get re-parsed by jQuery Mobile, and so they revert to their original style(s).
[Code]...
The problem I'm having is that I can't figure out how to make that happen. document.Ready() doesn't refire on an AJAX update. I've tried using $('div').live(),$('div').load(),$('div').change() and a few others (I am adding these to the Master page for the website) but nothing seems to fire off when the DIV updates.
I wrote a little clock with JS and...The clock worked fine until i chose to dynamically add the DIV with createElement to the BODY with appendChild and the clockString to the DIV using innerHTML...and so now when i open it after about 20 seconds safari begins to stall and/or not respond...
START-CODE:
Also just fyi i use some CSS to style the DIV and font-size ect and use the BODY element's onload attribute to run the functions...
I'm working on creating a little suggestion/autocomplete code for form fields.[code]...
Everything works fine and when I click on the text Foo the form field value is set to foo. But, when I try clicking on a word added to the page by the keyup part of my code above it doesn't work.
I am using superfish and I am wondering how I can go about changing the hover event to click so that when people hover over the links it doesn't do anything until they click them.
I am using a calendar that I have downloaded from a web site. I use this to provide a way for the user to choose a date from the calendar to fill in some date fields. Overall, the calendar works fine except for one problem that I cannot fix: When I add OnBlur event handler to the calendar, the calendar loses its capability to handle OnClick event -- therefore, the user cannot click a day from the calendar. I am trying to use the OnBlur event to hide the calendar as soon as the user clicks outside the calendar. Currently the user can click at a "Cancel" button on the calendar to hide the calendar, or the user can hit <Esc> key to hide it. But I think the calendar will work better if the user can click outside the calendar to hide it.
Attached please find a simplified version of the program that can show this problem. It has one single text field to put date on it. When you click at the text field, the calendar will pop up. This version has the OnBlur event handler commented out. Therefore, you should be able to choose a date from the calendar. But you cannot click outside the calendar to hide it. In order to show the problem, you need to go to the bottom of the program and uncomment this line:
After you have uncommented that line, you will find that you can click outside the calendar to hide it. Unfortunately, you will also find that choosing a date from the calendar only hides the calendar; the date is not being placed into the text field.
In my website I have a couple of forms that you can only see them if certain conditions are applied.
For example - if you're an admin and you search a user, you'll see a form which allows you to edit his information. if you're not you won't see it. if you're already logged in you can't see the registration form, but if you aren't you can.
So I did it with ASP in this way - (this is the registration part)
I've managed to put in the form inside the Response.Write(), and it also has the javascript part like this -
This works perfectly fine.
Now, I've done this twice. the example above is from the registration part which doesn't allow a logged in user to register again.
I'm having problems with the second one - not showing the edit form to a user who can't edit.
This is basically the code -
Now this doesn't do anything... the submit button just ignores the JS file and just submits the form the way it is, unlike the other form which is written pretty much in the same way except for other JS fields/text boxes.
I know the code is written really poorly but thats unfortunately what we've been taught in class and thats all I know.
- I'm not checking for nulls because if a field is empty it means the information won't be edited.
Using $.get() and insertBefore() work great for what I'm doing. But, the data I insert does not respond to events that I have set up. I'm notsurprised by this. I'm sure there is something extra I need to do. But, what is that?
i am following the example ajaxSubmit[URL].... here my code[URL]... i realized that the showRequest work correctly, shown all my form submit values But it doesn't respond "showResponse(responseText, statusText, xhr, $form)" is not execute. the respond prompt is not pop up
Is it possible in javascript to operate on an array without knowing how mamy elements it has? What i want to do is sending an array to a script, and this script should add all values from that array Could you show me a little example how to do this?
i have made an application in php so that people can make, on the fly, a form. when they submit the form there is a javascript formvalidation.
because we do not know how many fields there are in the form (it is made on the fly) i collect all the form fieldnames in an php array and sent it to the javascript function: Code:
I have a DataTable that I created in C# that looks like.
Column1 - Column2 - Column3 1 - a - b 2 - c - d 3 - e - f
Now if I want to get the value of column 3 with id 3 I simply need to do something like this (pseudo-code):
string value = dt.rows[3]["Column3"].ToString();
Is there a javascript object that mimics this same functionality? I am going to use my C# DataTable to create a javascript object that I can use for client-side functionality before posting back to the server.
im currently working on a web app which uses heavy javascript. in one of the functions, a simple array is created using "var admin_types = new Array();". This array is not empty, it has a length of 0 but contains one element with the name "clone" and the value
function () { var copy = {}; for (var i in this) { var value = this[i]; try { if (value != null && typeof (value) == "object" && value != window && !value.nodeType) { value.clone = Object.clone; copy[i] = value.clone(); } else { copy[i] = value; } } catch (e) { copy[i] = value; } } return copy; }
why does this element get created?? The weird thing is that i use a lot of arrays and this is the only one that has that element.
i tried this in firefox 1.0, ie 5.5 and mozilla 1.7.1 and the element is in the array for all of them...
All are the same except the value is set differently for each one. The reason for the [] is so I can access the checkbox values as an array on the processing page (when clicking 'Submit');
However, I want my Javascript code to examine these objects first. My onclick event handler function (below) is called (I get the 'hi there' popup), but it does nothing afterward (i.e., neither 'checkbox' alert appears, and the handler, strangely, seems to return 'true').
I suppose my problem is that I am not specifying the checkbox array properly. I tried several variations, but I've been working on this problem alone for several hours and am getting nowhere. Code:
i had write my code by using php language and i would like to pass in an array that generated by using php programming language from a select box through the onchange method.
i had try it but it cant be pass in. how should i code it?
I was wanting to build a javascript error checker function for several forms. Because each form has different inputs (ie, text, radio, select) i'm trying to figure out a way to pass some dynamic data to the function.
The way i'm currently doing it is by passing a long string to the JS function and then tokenising it into element names. However this is going to get very messy ....
I was thinking that, using PHP, i could build a list of the objects to be checked.
Is it possible to pass a PHP array to a Javascript function ...
So i've got in PHP
$array= {field1,field2,field3}
Which i want to pass (in a some manner)
<form name = 'formName' onsubmit='errorChecker(formName, $array)'
I have a pre-populated array in a JavaScript. How to populate TEXTAREA field with the text from that array, each entry on different line on page load? Say, value at index 1 will come at line 1; value at index 2 will come at line 2 and so on.
<script type='text/javascript'> <!-- panelsArray = new Array("form0","form3","form4","form5","blotter"); var blotter = new Array(འ',騦',魒',饼','block',''); var form0 = new Array(餢',ཱི',骹',餑','block',''); var form3 = new Array(鰌',ྀ',馅',飣','block',''); var form4 = new Array(鮵',髧',駨',飶','block',''); var form5 = new Array(Ɔ',Ɔ',魽',饻','block',''); // --> </script>
and I want to parse the first array and then within that loop I want to get the variable name from the 'outer' array and then reference the contents of the array with that name... I was trying to do the following but it doesn't work, I'm obviously missing something about transmogrifying the text "form0" into a variable name...
I have a three tier nested array, used to define a map for a javascript game, and can be edited within the web page. Is there a way I can generate a visible copy of this array that I can then c&p into a file? I think the best solution would be to write into a popup window (this popup would be purely for map development use, so I don't feel worried by popup blockers, as only myself would be seeing the popup). However, I have no idea how to:
a) create the string in a form that a html parser can display as ready-formatted javascript code
