Return Value From Fn - Doesn't Execute The Catch Clause In A Consistent Manner
Mar 26, 2011
What to return from my functions. Initially I was returning true or false to indicate success. But really, true only indicates that the function completed, not that it successfully did what it was supposed to do.
Try/catch is pretty useless as the browser tends to ignore most errors and so doesn't execute the catch clause in a consistent manner.
I notice libraries tend to return an object reference, which would be undefined on failure.
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Jul 20, 2009
I had a confirm window in html code (see below)
<% IF REDerrorMsg <> "" THEN %>
<script>var x=window.confirm("");document.write(x);</script>
<% end if %>
It displays on page as True/ False when I click 'ok' or Cancel. I need to write code in such a way when 'true' return ' Do Insertion', when cancel 'Abort Insertion'. How to catch the value 'x' in server side code in VB.
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Apr 8, 2010
FF, Safari, Opera all execute this javascript code to refresh the page properly, but in IE version 8.0.6001.18904 the page doesn't seem to refresh on click of orange_refresh button. I have checked out a different version of IE8, don't recall exact version, but it did seem to work fine in that one, whatever version it was probably the latest now that I think of it. Check out code below any sug.'s could be helpful, though its probably a bug..
<a href="javascript:document.location.reload();"
onmouseover="window.status='Refresh'; return true"
onmouseout="window.status='Page Refreshed'"><img src="image/orange_refresh.png"
width="30" height="30" border="0" /></a>
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Sep 8, 2010
$("#scroll").hover(function(){
$(this).find(".front").stop().animate({
top:"184px"},500,function(){
$(this).find(".front").stop().animate({ top : "7px"}, 300);
});
});
I try to make a scrolling picture. when mouse roll over the image with .front class will scroll down, but it has to come back after mouse roll out. the scroll down is working but I wrote a callback function, but it doesn't work.
html part
<div id="scroll">
<a href="../images/big_html/babytracker_b.png">
<img src="../images/thumb_html/jukebox.jpg" />
<img src="../images/thumb_html/Tracker.jpg" class="front"/>
</a>
</div>
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Jul 23, 2005
I have a function defined in my document's <head> section which adds a <script> tag to a specified <div> tag. The added <script> has a src="" attribute pointing to a PHP file, which dynamically returns JavaScript. In Safari, the src file isn't downloaded. Neither is any code contained within the new script tag [such as alert()]. In IE(6) and Firefox, this works as expected. Here's my code:
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Sep 30, 2009
I'm trying to load one page into another using the .load() method. This loaded page contains a script that I want to execute when it has finished loading. I've put together a simple example to demonstrate:
Index.html:
<html>
<head>
<title>Jquery Test</title>
[Code]....
When the link is clicked, the content should load and the second paragraph should fade away. However it doesn't execute. It is not just a matter of the DOM not being available, a simple alert("") won't execute either. However, if I do away with the #toLoad selector in the .load() call, it works fine. I am not sure why this is, as the <script> block is clearly in the scope of the #toLoad div? If the script from content.html was in the .load() callback, it works fine. I have worked around the problem by having the callback use .getScript () to load "content.js" afterwards and have the JS logic in there. This is arguably a more elegant solution anyway, but I'm keen to know *why* the above doesn't work, is it a bug?
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Oct 10, 2011
I want a javascript code that replicates the function of SQL group by clause.
I tried in several ways but couldnt find the right approach.
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Nov 15, 2010
Which is the best way to play sound using javascript in a controlled manner ? I need a solution which work across all browsers. This is for my bingo game page which is fully based on ajax. :)
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Feb 16, 2010
I'm using ajax to grab a response from a PHP page, on success, the ajax sets a variable. After the line that calls the ajax function is the line the returns the variable (a global variable). Problem is, because the variable is returned right after the ajax function is fired, it doesn't give the ajax enough time to set the variable. The work around I've thought about would be using the ajax function as a variable, and returning that variable in the initial return line.
Here's some code for reference:
The function that will return the response I'm trying to collect:
The ajax code:
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Mar 10, 2010
I've got an annoying non-working bit of code:
<div id ="messageDiv" style="display:block;">No profile information entered yet</div>
<script type="text/javascript">
function profileInfo() {
var m1 = document.getElementById("marital1").innerHTML.toLowerCase();
var b1 = document.getElementById("bodytype1").innerHTML.toLowerCase();
[Code]...
The first part up to before the 'else if' works. but if the 'w1' has [URL] it still doesnt return true and display the DIV block??
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Apr 26, 2010
I currently have a form named "survey". I found here a JavaScript to validate my form.
I am having serious issues with this script, either it won't execute at all (the form doesn't work, as well as the validation) or the form submits without validating the form.
Here is the current JavaScript I am using.
In the head section
Code:
Code:
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Jul 31, 2011
I have a javascript slideshow with a "thumbnail strip" at the bottom that scrolls based on mouse position or current image. I am using the setTimeout function to loop through scrolling the div, but it is not consistent. also, it works good in Safari and Chrome, IE is slow, and Firefox is choppy. is there a way to make it scroll smoothly on all browsers? all the code is in one html file. here is a link to the file: [URL]
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Jun 4, 2010
The value of lastModifier varies from browser to browser. For example, for a server writing the header:Last-modified: Fri, 04 Jun 2010 20:41:59 GMTSafari 4 puts out a literal string that is exactly what is found in the document header, Fri, 04 Jun 2010 20:41:59 GMTFirefox 3.6 and Internet Explorer 8 put out a reformatted string in local time (not sure if it's the server's local or the browsers local, since my server is in the same time zone).06/04/2010 13:41:59Is there any way to get a consistent lastModified string without doing browser sniffing? I would expect sniffing to not be resilient to change, given that lastModified output has changed before in browser history, based on posts from several years ago, and will likely change again.
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Jul 23, 2005
I'm trying to write some javascript code that will swap two rows in a
table, in an attempt to provide users with an easy and visual way to
manually change the order of the listed items in a table.
The sample code works as it should in IE, and switches the two rows
nicely.
In Mozilla however it fails the first time, but for some odd reason it
works fine afterwards.
Mozilla doesn't seem to be removing the duplicated node the first time,
which makes it appear as if an extra node is inserted into the table
(which is actualy the case), but on subsequent attempts, it seems to be
removing the duplicated node perfectly... Code:
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May 3, 2010
I have a question about what the most certain method to obtain the correct UTC time in javascript is.On my forum, there is a countdown clock, that should show the same amount, wherever the user is located. I use UTC in javascript to get the current time, but I have trouble getting consistent results.I have tried two methods:Method 1:
Code:
var d = new Date();
var localTime = d.getTime();
[code]......
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Jun 6, 2010
jQuery(document).ready(function(){
$( '#nav_Primary > li' ).hover(function(){
alert($(this).find('ul').outerHeight(true));
$(this).find('ul')
.stop( true )
.animate(
{height:'toggle'},
{duration: 600, easing: 'swing'}
);
}, .....
Once you load this up you will see that eventually the hover will not set the height correctly. Keep on hovering on each item and then leaving it before it fully expands and then the next time you go over it it will leave off where the last item had expanded to
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Feb 18, 2010
I have list of about a thousand applications for which various outsourcing companies are supporting at different levels. I want to use the attached code to filter. For example, if I type "SOX", every row with "SOX" appears. The filter works well but when I type "S" and the information appears on row, the height of the row changes. When I type "O" it changes more. What must I change to keep the height of the rows consistent.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "[URL]">
<html xmlns="[URL]" xml:lang="en" lang="en">
<head><title>Filter applications</title>
</head><body>
<table style="width: 646px; height: 926px;" id="content">
<tbody><tr><td id="main">
<div class="node"> .....
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Aug 7, 2009
I have a form that when you click submit gives a warning box asking if to continue code below Now when I type in the text field and press enter it doesn't submit nor does it pop up the warning box, how would I do this
Code for submit button
<script LANGUAGE="JavaScript">
<!--
function submitMyForm()
{
var agree=confirm("ARE YOU SURE ?");
[Code]...
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Apr 2, 2011
1. When I have the "<textarea>" code lines in it put a text-area on the page, but it puts all of the code following that first text-area line into the text-area box and doesn't execute that segment of code.
2. When there is no "<textarea>" (for the sake of seeing if the rest of it worked) it doesn't check the survey.
I'm stumped and can't figure out what to do at this point Code and pictures follow:
[Code]....
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Jun 3, 2010
All is on the title, sorry for my english, i'm french :) I have an html page with style
<style>
#mydiv {
margin-left:auto;
margin-right:auto;
width:250px;
}
</style>
with jquery, i try to get the margin-left ($('#mydiv').css('margin-left'), but the function return 0px, unable to retrieve the good value (auto) anyone has idea to retrieve the value "auto" when margin-left is "auto" ?
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Sep 30, 2010
I have some Javascript which says this:
Now that is fine when the text is only one line long. Suppose it's longer? What I want to do is have Javascript give the variable contentString its text from a hosted text file in a similar manner to the way Javascript can insert more Javascript using a hosted .js file.
I illustrate what I need to do using some "dummy" javascript:
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Jul 23, 2005
Is there a more concise way to do something like the the
desired code below?
The gripe is with the try-catch syntax. It takes *way* too
many lines of code to evaluate a conditional expression
when zero or more parts of the conditional expression may
trigger an error. In this case, the trigger is a call to
a non-defined (null) object.
In other words, how can you do a more simple 'try' statement
that simply spits out true or false, depending on whether
the 'tried' code threw an error or not?
Defining a function don't seem to work because you
can't pass the 'try' code as an argument. Extending the
'Global' constructor is not an option, so now what? Code:
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May 19, 2009
Supposing I have the object reference to an object,how do I retrieve the xpath of a element.
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Feb 25, 2010
I'm looking for reminders on how to ...
1. Get all links in a page.
2. Apply an onclick event handler,
3. that cancels the usual link click event
4. and puts the link address into a form element code...
What's behind the question is a screen scraper test I'm doing, whereby I call a website address via a form, and clicking on any page link should put the target address into the form and then submit it. I think I'm on the right tracks - it's just cancelling the original click event I'm not sure about.
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Jul 20, 2005
There is two lines from my script:
<script language="javascript1.2">
fso = new ActiveXObject("Scripting.FileSystemObject");
ws = new ActiveXObject("WScript.Network");
</script>
Everything working fine, but sometimes some admin change default IE options and during loading the page on screen i can see something like that "Can I run the activex and bla bla bla". This message for my user equal error and I get many phones, Can I catch insufficient permision, or that message and hide it?
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Feb 11, 2010
$(".mainmenu-topcontainer > ul > li:not(:has('.stateselected'))").hover(function(e){ (...)
I tried it with and without quotes. Do I miss anything? That selector matches all Li elements.
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