JavaScript Blocked By New Version Browsers
Mar 19, 2005
I have a lot of JavaScript code I wrote to add special features and effects to my Web sites. The problem is, with the latest versions of Web browsers, all browser-side scripts are blocked. Most users who visits will either not know how to adjust their security features to allow scripts or will not want to change their settings. In a case where the script is vital to the functioning of the Web page, what is the alternative?
For example, one of my script is for a drop-down menu that takes the user to the selected section from the drop-down menu.
The other feature I need is roll-over that highlight parts of a map so that the user can make a selection.
Is there something I can add to my JavaScript code to prevent browsers from blocking it or is there a different way of using these features with a different script?
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Aug 26, 2006
I noticed that some sites use <script src='fineName.js?ver=XXX'></script(even google) Someone told me that it's for script changes, means - if the file in
server has been changed than the new XXX will demand to load the new file.
I find it hard to believe that it's true.
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May 29, 2007
I've uploaded a new version of the javascript::Minifier module that
was on CPAN. It was a translation of JSMin but I rewrote it so it now
handles missing semicolons, + ++ code, and leaves those freaky IE
conditional comments in the output. The goal was that if working code
is input then working code is output where working == working.
Breaking code that works is not such a good idea. Code:
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Dec 24, 2003
I have been struggling around with trying to figure out a reliable manner for detecting the Javascript version a given browser is using.
Basically, there are two half-decent ways that I have found, neither one being foolproof.
One way is using javascript tags with the language attribute, as in the following code:
Code:
<SCRIPT LANGUAGE="Javascript"><!--
gVersion="1.0";
//-->
</SCRIPT>
<SCRIPT LANGUAGE="Javascript1.1"><!--
gVersion="1.1";
//-->
</SCRIPT>
<SCRIPT LANGUAGE="Javascript1.2"><!--
gVersion="1.2";
//-->
</SCRIPT>
<SCRIPT LANGUAGE="Javascript1.3"><!--
gVersion="1.3";
//-->
</SCRIPT>
<SCRIPT LANGUAGE="Javascript1.4"><!--
gVersion="1.4";
//-->
</SCRIPT>
<SCRIPT LANGUAGE="Javascript1.5"><!--
gVersion="1.5";
//-->
</SCRIPT>
This works fine but it is not very elegant. Another disadvantage is that it is not XHTML compliant.
The other way is using some sniffer scripting like that found in the JavaScript Browser Sniffer (Web Reference).
However, this is not very reliable as it needs to be constantly updated to take newer browsers into consideration. Also, on my system it gave an incorrect Javasctipt version of 1.3 when it should have given 1.5 (according to the first option above).
I was just wondering if there was a more dependable way of doing this.
Maybe it would just be better to avoid unnecessary headaches and restrict myself to W3C compliant brwosers.
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Oct 11, 2001
I'm looking for a JavaScript that does not only detects wheather the visitor uses Netscape or IExplorer, but also which version.
I would like to use one style.css for Netscape 6.x and IE 5 and up, and an alternative_style.css for Netscape 4.x.
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Dec 16, 2006
I am wondering if anybody can provide statistics what is percentage of visitors with disabled JavaScript.
Even more interesting would be statistics of users with disabled JavaScript making a purchase. I am more likely to purchase from my home than from work and I think the disabled JS is mostly result of IT dept. policies.
Is e-commerce site missing much if requires JavaScript?
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Jun 7, 2007
Can any one tell me different functions or properties of javascript
which are gives different outputs on different browsers ?
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Apr 20, 2003
Q: I have a pretty big html page - about 1,500 lines of code, 1,000 of which is javascript. (It's also referencing other javascript code, perhaps another 2,000 lines or so).
When I boot up the page in a fresh browser, it invariably crashes; the page just hangs. But, after killing the browser, and opening it up in a new one, the page seems to run fine. Is there some sort of javascript code limit that a web page / browser can handle...? Anyone know if there's a way to get around this? [Did I misread the problem? I'm pretty sure my code is fine.] Code:
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Jul 26, 2006
I'm considering in teaching myself some javascript, but before I take the time to read up and experiment, I had a few questions.
Is javascript XHTML 1.0 STRICT Valid?
Is javascript valid for any version of XHTML?
Is javascript easily cross browser compatiable, or will this take a long time to work around?
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May 14, 2007
I'm currently using this method to refer to my JavaScript files:
<script type="text/javascript" src="filename.js"></script>
While doing work for some clients I have made changes to the the JavaScript file referenced above. Because their browser has cached it, they end up getting errors on the page unless they hard refresh and get the new version of the file.
Is there anyway to make the JavaScript file come down fresh if it has been modified since the last download?
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Mar 27, 2010
I have problems updating from version 1.7.2. to version 1.8. I'm using a custom theme - can anybody give me a step-by-step guide how to update without destroying the whole site ? :) I would like to have the button featueres in the new version
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Oct 12, 2006
Is it possible to create a popup that won't be blocked?
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Oct 17, 2005
I'm trying to use window.open in some buttons on a website I'm building. The windows open in all browsers that I've tested except IE (PC and Mac). I'm assuming this is a pop-up blocker issue even though what I've read says that if the user initiates the pop-up, then it will work even with the blockers enabled.
Does anyone know how to fix this without using target=_blank?
The site is www.cascadequilting.com. The code for the pop-up windows is below:
<a href="#" window','height=600,width=800,status,scrollbars,resizable')">Click here for a quilt size chart.</a>
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May 23, 2009
I want to open a popup using window.open but it should not be blocked by browser's popup-blocker.
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Mar 10, 2010
From 10 degrees C clear skies Wakefield UK
On this Page www.pause.co.uk I added a quick find button (located on the top left) which when hovered over shows a drop down menu. Well, it does on my lap top but not my bosses
Is this because there browser is blocking javascript or have I made a code balls up?
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Sep 26, 2009
Why this code is not working on Webkit browsers:
Only jquery and the plugin printed above are loaded, so there shouldn't be any conflicts.
HTML:
Chrome gives the following error: Uncaught TypeError: Object #<an Object> has no method 'followUser
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Jun 25, 2009
Can setTimeout() be blocked from working on a site? Is this possible?
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May 7, 2009
Is there a way to make the area that isn't being blocked grayed out?
Ideally, it would just be opaque, so that it is obvious that the only area that can have interaction is the element being blocked.
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Apr 1, 2009
How can I show a popup that is not blocked and then redirect the user to a page?
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Dec 21, 2010
I am trying to get started using JQuery, but I find I can't even get to lesson #1. When I go to jquery.com and click to download the latest version (or any version) it doesn't "download" anything. It opens the file as a webpage in my browser and I see all the JQuery in one big string. Why won't the file just download? Is it the browser I am using? Is it my Mac?
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Dec 4, 2010
I've been trying to implement a smooth scrolling animation in my page, which works fine in firefox and IE8 (haven't tested any older versions yet). But doesn't seem to work in google chrome (and probably safari either I guess). I have 4 divs on my page, positioned absolutely 2 by 2, only one div should be visible at a time, so the body has gotten an overflow:hidden. When an anchor-link to one of those divs is clicked the javascript gets its position,then scrolls towards it. etting the position works, but the scrolling does not work in chrome.
Now, when I remove 'overflow: hidden' from the body element, the scrolling does work in chrome, but of course adds the scrollbars which I don't want.
[Code]...
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Aug 2, 2009
<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:12pt">Hello
i'd like to know if it's possible change de message while the page is block by "blockUI" jquery plugin. I've tried a lot of things, but none was good. One thing i've tried was using CSS selectors like:
$('blockUI blockMsg blockPage').innerHTML
but it hasn't worked.
<font size="2"><span style="font-family: verdana,helvetica,sans-serif;"></span></font><div>
[Code].....
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Apr 17, 2009
just came across this in a book for browser javascript on/off detection:
Code:
<noscript>
<img src="monitor.php?scriptoff=true" />
</noscript>
just wondering if browsers when js is off will ever access any
<script type="text/javascript" src="file.js"></script>
files? i mean wouldn't it be better not to bother with the noscript thing and just be aware of if file.js is accessed? or do some browsers access the file.js even when js is off?
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Jul 23, 2005
Does anyone have a quick script to find which version of IE a page is
being viewed with?
Specifically, I want to seperate version 4 from versions 5+, and post a
warning against using 4.
I expect I'll have to search out the (navigator.appAgent) string for
the MSIE substring, but since I don't need it until tomorrow, laziness
dictates I ask here before getting on with it. Is there another
variable? a less cumbersome way?
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Jul 23, 2005
CAn anyone tell me where to get previous versions of internet explorer
(for ecxample version 3 or 4)? I need it to test my javascript code...
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Feb 6, 2007
Is there a possibility to compare and visualize in a user-friendly way
the differences of two html files?
I need also something like a version-control. I think I could generate
for everychange of the text a new record in the database. But now I
need a tool (JavaScript, Java, etc.) to compare and visualize two
versions of these html-files online over a web-browser.
I know, this is not really a javascript topic, but perhaps here is
anyone how knows a tool for that.
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