Using Firebog To Track Unobtrusive Script Events?
Mar 19, 2011
without outside extensions (http://remi.org/2009/01/06/using-firebug-to-debug-unobtrusive-javascript), how does one debug javascript events on a webpage that primarily relies on unobtrusive JS events? for instance, i have a website i log into that has a "submit" button. the button itself only has this code:
<input type="image" class="png" tabindex="5" value="Go" src="login.png">
obviously, the only way that it can submit the form is to use javascript. and it's obviously unobtrusive in this case.consider the fact that it isn't my webpage, and i don't want to try to put random breakpoints everywhere blindly.
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Jan 24, 2007
Is it possible to write this as and unobtrusive script in the head of a document?
This is a really long piece of code for being in the html!
<a href="whatever" onmouseover="document.images['s3a'].src='hover.gif'" onmouseout="document.images['s3a'].src='root.gif'" onmousedown="document.images['s3a'].src='active.gif'" onmouseup="document.images['s3a'].src='hover.gif'"><img src="root.gif" name="s3a" height="50" width="50" alt="" border="0"></a>
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Nov 12, 2009
I have a PHP page that dynamically generates table rows with input fields. A sample row looks like:
Code:
<tr id="row1">
<td><input type="button" name="remove_row1" id="remove_row1" value="X" /></td>
</tr>
I have a JavaScript function that I am attempting to attach to each of the input buttons:
Code:
// get all the input elements
var inputs = document.getElementsByTagName('input');
var delete_regex = new RegExp('remove_row');[code]...
But I would like to give it a parameter
Code: inputs[i].onclick = delete_row('row' + inputs[i].id.replace('remove_row', ''));
But doing the above just executes the function. What is the best way to do this?
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Mar 3, 2010
First off by let me stating that I am not a great web devloper nor am I a good with css / javascript. I am creating this website for a friend of mines company and I have one problem.The problem is that the navigation menu on the right side will not remain fixed how i want it to be. I spoke with many people and they all said that this cannot be done with css considering your layout and because it needs to dodge the headers and the footer. I basically want this div (sidenav on the right) to scroll along the page as users scroll up or down but it can not interfere with the header or footer. I do not want the right side navigation to go over the content or out of the wrapper. I want it to stay in the same position in all aspects - left / right / top / bottom. Here is a link to the site [URL].
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Oct 16, 2007
I have been going back and getting rid of so many of my onclick's and such, trying to switch to a more unobtrusive method of adding events to anchors.
I've run into one snag that's kind of dissonant for me, and wondered if anyone had any advice.
By adding an event, you can turn:
<a href="#" onclick="something(); return false;>Click me</a>
Into:
<a href="new.html" class="something">Click Me</a>
But what goes in href if you don't have anything to actually link to? One example is a page I've written that is entirely self-contained, and all href's that drive the interface end up pointing to #. Is this acceptible in edge cases like these with the unobtrusive approach?
If someone has JS turned off the markup is essentially meaningless, so I was wondering how people deal with this lapse in the separation between behavior and structure.
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Jul 11, 2009
I'm working on implementing an unobtrusive javascript where I use code instead of an HTML hook to call a function.
Old way: <input type="text" name="username" onBlur="javascript:function();" />
Now I have changed it to:
window.onload = function()
{
if(document.getElementById("username"))
{
var usernameInput = document.getElementById("username");
usernameInput.onblur = checkUsername('username','ajaxResponse');
}
}
which is placed in the body section of the page. Anyhow, my problem is that it works fine, but only once, right as the page loads. I have tried removing window.onload, but then it doesn't work at all. How can I get this to work every time I blur from the text field?
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Jan 10, 2007
I've got the following code in a website of mine:
Code:
<a href="section1.htm">Section 1</a>
<a href="section2.htm">Section 2</a>
<a href="section3.htm">Section 3</a>
<a href="section4.htm">Section 4</a>
<div id="general">General overview</div>
<div id="section1">Section 1 overview</div>
<div id="section2">Section 2 overview</div>
<div id="section3">Section 3 overview</div>
<div id="section4">Section 4 overview</div>
I want to display the div marked 'General overview' by default, and to hide all of the other divs (section1, section2, section3 and section4) but would like to swap out the 'general' div with the other divs as the corresponding links are moused over.
e.g. mousing over the Section 2 link will replace the 'general' div with the 'section2' div. On mousing out, it will revert back to the 'general' div. Mousing over the Section 4 link will replace the 'general' div with the 'section4' div. On mousing out, it will revert back to the 'general' div. Etc etc....
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Jul 10, 2007
I was reading through a book that talked about unobtrusive javascript, and it gave this example of how to trigger a function instead of using an inline onmouseover event handler.
document.getElementById("RandomElementId").onmouseover=RandomFunction;
I thought this would be cool, but I can't seem to find a way to pass parameters to the function this way. I assumed you just use RandomFunction(parameter1,parameter2); but no go.
Is there a different syntax for this, or does this technique forbid using parameters?
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Jul 12, 2009
From my understanding the main feature of unobtrusive JavaScript is to remove event handing from the markup.The main reason for doing this is to avoid repetition of code.There are also other reasons but that is the main one. e.g. no having to write <tag onclick="function()" > over and over again. This traditional event handling method makes code less maintainable.However is it worth writing unobtrusive code when we consider the following:
1, Server sider scripting laguages can be used to avoid code repetition. e.g. we can use a loop to add multiple onclick event handlers to all the elements of a navigation list. Thus we would only have to write onclick="function()" once.
2, Unobtrusive coding makes the code harder to follow.It is easier to look at the markup to find out what happens when an event occurs on an element rather than having to look through wades of JS code to find the correct event listener. This is especially true when a team is working on a project. It is easier to find out what another person has done when the traditional model of event handling is used.
3, Unobtrusive coding means longer and more complicated code. Also there there is a need for having to deal with browser differences.I know this can be reduced using libraries such as JQuery. Is it worth using such a library?
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Nov 16, 2009
Does anyone know how to make the cycle function in jquery unobtrusive?
I've got the following code and when I disable javascript, I get a nasty long list of images :(
Jquery code:
Html code:
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Aug 9, 2005
I have an old web application I did where browsers with dynamic
capabilities received a drop down menu on the top of the page and a
fold out on the left hand side of the page and non-dynamic browsers
received two static menus. This was done via server side detection of
browser capabilities and branching the application. Over time needless
to say the capabilities between the dynamic and static sides got
seriously out of whack.
Now the drop-down menu was not done unobtrusively, it was done via
mouseovers and the like.
Obviously it makes sense to change the menus to be done by catching
events. But I would also like to redo the dynamic and static branching.
The way I figured would be as follows:
The static menus are placed inside of noscript elements.
The dynamic menus are loaded with display set to none. Script writes in
a new css changing dynamic menu display to block.
As I understand noscript is considered bad via unobtrusive javascript
theory, however I have a hard time seeing how one could make a menu
that would display properly as a static menu yet also function as a
drop down or fold out (especially fold out), collapsible expandable
menus are easy since they basically have the menu order placed in the
structure needed.
So I'm wondering if anyone has reasonable suggestions on how to
succeed.
On another subject, anyone know what the effect of a bunch of links
inside a noscript element that mirror a bunch of links in the normal
page will do to Google's algorithms?
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Nov 3, 2010
I am trying to create a basic unobtrusive form validation function but I am having some issues/questions. Basically I am checking if any of the form fields have <= 3 characters, and if they do so, then I make those fields' backgrounds and borders red. Also in the empty <span> tags I insert an error message. My issues/questions are:
#1: So when I say if (fieldVals<=3) this means that the errors should appear if the values are 1,2 or 3 characters long, right? It does not do that though, when I insert one character in any of the form fields the errors go away, but they should not, right?
#2: How do I cancel the form from submitting if errors are visible and vice versa? When I use the return false when errors are visible, the code does not even run. What is going on? return true does the same.
#3: When I use a submit button(type="submit") instead of just a button(type="button"), the code does not run? What am I doing wrong?
I am not trying to use this on a website, I am just trying to learn how to use unobtrusive javascript. That's why I am only checking for empty fields. If I learn how to do this first, later I will try to add email check, date check etc.
THE CODE:
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Oct 10, 2011
I have a simple button in my HTML. I also have a function in my external JavaScript file. This function calls an alert box with some text. Now, I also have a global variable in my JavaScript that gets the button by id, then assigns the onclick event handler to it which in turn is assigned the call to my alert box function. Simple right?
Problem: The alert box shows up when the page loads as well as when the button is clicked. This is not desirable. code...
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Jul 21, 2010
I am trying to "ajaxify" my site. Now I have one problem:
$("#posts").children().remove();
$("#tag-sidebar").children().remove();
$.each(data.Tags_Sidebar, function (indexInArray, valueOfElement) {
var insert = $("<li>");
[Code]......
Now when I click one of those links (href1, href2, href3) generated, the click event won't execute! What's the problem? Also, is it right that I have to transfer the valueOfElement over, like I did? What does stopEventPropagation do? Prevent the href from being navigated to? That's what I am trying to do.
The data object is JSON fed from here:[URL]
The HTML is here: [URL]
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Dec 5, 2005
I want to be able to know how many time a user will spend on a page so basically, I need to get an onload time and an on leave time
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Dec 6, 2006
I have a simple Javascript that bloggers use to load headlines from my site onto theirs. What is the best way to track which sites are using it?
I've tried embedding a StatCounter tracker but it doesn't give me the page it's used on.
Should I just identify the url that's requesting it, the IP address of the user, and plug it into a database?
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Feb 4, 2011
I have a series of images with an animation bound to mouseover and mouseleave events, and I'm trying to get my head around adding a click event that would prevent the mouseleave animation from occurring only for the image that was clicked, preserving everything else as is (until another image is clicked). I've discovered .stop() and I think I'm getting close, but some part of the logic is still escaping me.
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Sep 17, 2010
How to know whats the action performed when Print is clicked
Code:
<span class="sendPrint">
<div id="eStara_CFPQ" style="height:15px; width:144px;"></div>
<a class="sendToFriend" href="#">Share This Page</a>[code]........
I am slightly confused on href="javascript:;" and href="#" statements
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Nov 13, 2007
i want to display contents of a form in a plane text format.
for that i want to track a number of textfields in the form.....
do i need to write a seperate line for each textfield ?
i tried
for(i=1;i<7;i++)
{
var cont[i]=document.getElementById("txt"+i).value
-------
------------
-------------
}
but it didn't work out..
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Dec 6, 2006
I have a form that is calling a js function that does the actual submit. The action of the form points to a page on another server that I do not have the ability to edit.
My problem is that I need a way of tracking submissions and I'm having a hard time thinking of a way to do that. Anyone have any thoughts?
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Mar 9, 2011
I have a four part process to add something to my website. I'd like to have a bar at the top of my page (if you need an example, something simliar to FedEx to show where you package is along the way) that will get updated upon each page move so the user knows how far along they are in the process and how much farther they have to go?
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Dec 17, 2006
How can I track the mouse coordinates outside the active window? No
one can tell me its not possible because Google Spreadsheets and
EditGrid both do it. When you drag down to select cells these
spreadsheet programs are capable of properly selecting the cells based
on where the mouse is, even though the mouse is way outside the
browser. I haven't been able to find any info on it or figure it out
myself. How is this possible?
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Jul 5, 2007
Does anyone have any experience with any JS library that provides a
rich text editor? I am particularly interested in the MS-word like
feature of tracking changes. Simple features like strikethrough in
case of delete and underline in case of added text would be
sufficient.
Has anyone extended the FCK Editor/Tiny MCE editor for this purpose?
Any suggestions on how to go about implementing this feature will be
very useful.
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Jul 20, 2005
I would like to start offering an "Affiliate" program on my website.
Can anyone offer a script that I can use to track clicking to my site
from an affiliate's link?
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Nov 24, 2010
I have around 30 check boxes in a form and I need to keep track of their status if they are checked or not and based on that change the data in the dom.
I am stuck on the logic of how to implement or code for 30 check boxes. I was using the below example code but there will be a lot of if statements as I need to always know what their status is. Is there a better way I can manage so many check boxes ?
if($(this).is(":checked"))
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Oct 8, 2010
it doesnt seem to track the links, (which it suppose to do inside img.php)
[Code]...
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