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• microphone volume control from javascript

  - by paleozogt

  I'd like to be able to control the system microphone volume from the browser. I know that the microphone can be recorded from using Flash or Silverlight, but these don't allow control of the microphone volume. (Flash has Microphone.gain, but as its just a software multiplier, it doesn't help when the system mic volume is muted or too loud.) I've heard that HTML5 will have some sort of microphone access, but whether it will allow volume control is unclear to me. At any rate, I don't think any browsers support it yet. Are there any plugins that would allow volume control? The old Google Gears project has some AudioApi docs, though these don't seem to have made it into the actual plugin. There's also the Google Talk plugin- it seems to do some kind of gain control, but its unclear if there's an api to the plugin. Perhaps there's a draft HTML5 implementation plugin for microphone access (like indexeddb, for example)?

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• Determining URLs updated via a series of commit logs

  - by adamrubin

  I'm working on a project where I programmatically need to know when a URL has been changed by a developer, post or during deploy. The obvious answer may be to curl the URL one day, save the output, then curl and in x days then do a diff. That won't work in my case, as I'm only looking for changes the developer mande. If the site is a blog, new comments, user submitted photos, etc would make that curl diff useless. RoR example, using github. Let's assume I have access to the entire repository and all commit logs between iterations. Is there a way I could see that "/views/people/show.html.erb" was commited, then backtrack from there (maybe by inspecting routes.rb), to come up with the URL I can then hit via a browser?

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• Hot to trigger saved password autofill in browsers?

  - by Aleksander Kmetec

  I have a web application written in pure JavaScript (no pre-generated HTML except for the document which loads all the JS files). This app contains a login form which is created dynamically when the document.ready event event is triggered. I trick the browser into displaying the "Remember password?" dialog by posting the login form into a hidden iframe before logging in using ajax (in Firefox the password appears on the saved password list, so this part obviously works) but saved passwords never get filled in after the login screen is loaded again at a later time. The same thing happens in Firefox and Safari. Is there something I can do or some function I can call to trigger autofill?

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• Cross domain cookie reading/setting cross browsers

  - by Rac123

  I know there are already a few threads available here on this subject but I want others' opinion on this. There are two ways to set/read the cross domain cookies: Creating IFrame on A.com pointing to a page on B.com which creates the cookie and pass that information by creating another IFrame on B.com side pointing to A.com, either using window.name or in location.href.hash A.com page makes a XHR/JSONP call to B.com web service/page that has the following headers and it also sets up the cookie and returns the value. AddHeader("p3p", "CP=\"IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT\"") As we don't have postMessage available across all the browsers, I believe we have to go with one of the cases mentioned above. My question is which is a better way (cleaner) and why to implement for cross browser. Using any other JS framework is out of scope of this discussion. If there's another better way, please mention here! Thank you for your intelligent input in advance! :)

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• Convert table base design to table less design in best way

  - by Brij

  What is the best optimized way to convert following in table less design? the layout should be cross browser compatible and SEO Friendly. <table cellpadding="0" cellspacing="0"> <tr> <td>Row 1 Column 1</td> <td>Row 1 Column 2</td> <td>Row 1 Column 3</td> </tr> <tr> <td colspan="3" align="center">Row 2</td> </tr> <tr> <td>Row 3</td> <td align="right" colspan="2"><img src="test.jpg" alt="test" /></td> </tr> </table>

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• Lobo Cobra HtmlPanel does not update GUI after JavaScript action

  - by Markus Lausberg

  HI, I started implementing a HTML Browser in Swing. I want to use the Lobo Cobra toolkit because this toolkit inclused a renderer and parser for CSS and JavaScript. The pages are looking very nice and it is easy to use (one class implementation to show a html page). I want to show HTML pages in swing which can show javascript generated and modified objects, like a flashing circle. As far as i know, the cobra toolkit can show static javascript commands like 'document.write' or closwWindow() implementations, but not updating the GUI from a JavaScript. Did someone works with Lobo Cobra Toolkit before and give me some sample code or tips for showing HTML pages with animated JavaScript objects inside.

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• Prevent IE users from visiting my site?

  - by Paul Hatcherian

  Internet Explorer has caused me a lot of trouble over the years, between security problems, memory leaks, endless CSS and JavaScript hacks to get my site to look correct, and inconsistencies between releases, I've spent countless hours as the hapless victim of IE's idiosyncrasies. Well that ends today, I've decided to take matters into my own hands and ban all users of IE from visiting my website. That will teach them to use such a cruddy browser. My question is how best to do this? I don't want to rely on JavaScript, which could be disabled, nor the request agent string, which could be tampered with. A clever user could even temporarily switch to Firefox or Chrome just to visit my site. Ideally, I'd have a list of the IP addresses of every IE user in the world and restrict based on the IP address. The main problem I'm having, aside from getting the list in the first place, is how do I keep it updated? Thanks!

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• The text in a circle.

  - by kalininew

  Prompt how to solve a problem, please. There is a block with the text of the unknown sizes. It is necessary to spin (with pouring inside) round this block that the text was in a circle (without dependence from the sizes of the text). At change of the sizes of the text (at window compression) the circle should vary dynamically. It is necessary to make it in browser. From what to me to start to solve the given problem? Can be methods javascript (on a site it is connected jQuery)? P.S. The decision should be ???????????????.

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• Optimized way to convert table base to table less design

  - by Brij

  What is the best optimized way to convert following in table less design? the layout should be cross browser compatible and SEO Friendly. <table cellpadding="0" cellspacing="0"> <tr> <td>Row 1 Column 1</td> <td>Row 1 Column 2</td> <td>Row 1 Column 3</td> </tr> <tr> <td colspan="3" align="center">Row 2</td> </tr> <tr> <td>Row 3</td> <td align="right" colspan="2"><img src="test.jpg" alt="test" /></td> </tr> </table>

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• How can I detect client-side when a page load is the result of an AJAX history point?

  - by Nick

  I'm trying to prevent a "flicker" effect that is occurring on my ASP.NET page which occurs when a user navigates to the page via the browser back button after having navigated away from it. The reason for the flicker is that I'm using an Update Panel which has some content in there on the initial page-load. As a result, when the page is loaded via a back button that initial content is shown very briefly before it is updated with the correct History-aware data. In order to overcome this I am intending on having the updatepanel hidden (display: none) on inital page load and then show it as long as we don't have any history to deal with. The problem is that I can't find out what to check to determine if there's any history. I can see that the Sys.Application has a _history member but when I'm checking it on page init it is null each time. Does anyone know what I should be checking to determine if there's history to deal with for a page load client-side? And at what point to do it?

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• Highlighting effect to text and/or image similar to be synchronized with audio

  - by Irfan Mulic

  I am looking how to approach following problem: We have application that displays text with audio recorded material. We use Browser Control (Internet Explorer) in Delphi App to do this. We respond to events in Delphi code setting innerHTML for elements if we have to update the style ... Now, request is to add option to dynamically move the cursor or dynamically highlight the words spoken from the paragraph. It doesn't need to match absolutely the exact word spoken so we will have to dynamically update the content of position of highlighted word based on some timer or something (because it is not text to speach). What should be the most practical and easy approach to this kind of problem, all answers are greatly appreciated. Thanks.

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• How to trigger saved password autofill in browsers?

  - by Aleksander Kmetec

  I have a web application written in pure JavaScript (no pre-generated HTML except for the document which loads all the JS files). This app contains a login form which is created dynamically when the document.ready event event is triggered. I trick the browser into displaying the "Remember password?" dialog by posting the login form into a hidden iframe before logging in using ajax (in Firefox the password appears on the saved password list, so this part obviously works) but saved passwords never get filled in after the login screen is loaded again at a later time. The same thing happens in Firefox and Safari. Is there something I can do or some function I can call to trigger autofill? UPDATE: autofill works in Safari on initial page load, but not when user logs out and the login form is recreated without a page reload. In Firefox it never works.

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• Finding zoom level from window object properties

  - by Mihai Fonoage

  Hi, I want to find out the zoom level of what is being displayed in a browser window based on the javascripts' window object properties (http://www.javascriptkit.com/jsref/window.shtml) to which I have access. I just can't seem to find the right mathematical formula for the zoom based on the inner width, page offset, etc. I found a solution, but that uses the document.body.getBoundingClientRect call which does not return anything in my case and for which I can't tell if there's a suitable replacement from the window properties. I am using Safari. Thank you, Mihai

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• What is the best practice for writing bookmarklets

  - by Ritesh M Nayak

  I am writing some bookmarklets for a project that I am currently working on and I was wondering what the best practice for writing a bookmarklet was. I did some looking around and this is what I came up with javascript:void((function() { var%20e=document.createElement('script'); e.setAttribute('type','text/javascript'); e.setAttribute('src','http://someserver.com/bookmarkletcode.js'); document.body.appendChild(e) })()) I felt this is nice because the code can always be changed (since its requested every time) and still it acts like a bookmarklet. Are there are any problems to this approach ? Browser incompatibility etc? What is the best practice for this?

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• Embedded media player gets inconsistent currentPosition on both IE8 and Firefox3

  - by logoin

  I have a embedded media player in the browser that is controlled by javascript to handle all the mediaChange event. The code looks like mediaChangeHandler: function(media) { if (media && this.offset && !this.offsetJumpPerformed) { if (parseFloat(media.duration) > this.offset) { pos = parseInt(pos); this.getPlayer().controls.currentPosition = pos; alert("jump to position: " + this.getPlayer().controls.currentPosition); this.play(); this.offsetJumpPerformed = true; alert("currentPosition:" + this.getPlayer().controls.currentPosition); } } } The first alert indicates the currentPosition is where I want it to be. However, the second alert would get currentPosition that's couple seconds less than what I have set up. Does anyone have idea why? I tried googled it but haven't found anything useful. Thanks!

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• Detecting a image 404 in javascript.

  - by xal

  After a user uploads a file we have to do some additional processing with the images such as resizing and upload to S3. This can take up to 10 extra seconds. Obviously we do this in a background. However, we want to show the user the result page immediately and simply show spinners in place until the images arrive in their permanent home on s3. I'm looking for a way to detect that a certain image failed to load correctly (404) in a cross browser way. If that happens, we want to use JS to show a spinner in it's place and reload the image every few seconds until it can be successfully loaded from s3.

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• login connection problem using SimpleTest

  - by Cedric

  Hi everyone. I am using SimpleBrowser from SimpleTest (http://www.simpletest.org) to login a webmin (http://www.webmin.com/). This login uses https. I've tried two different ways, both fail. $browser = new SimpleBrowser(); $browser->useCookies(); $browser->useFrames(); //echoes the login page, where it should echo the landing page from a logged user echo $browser->post('https://address/','user=User&pass=Secret')); And also : $browser = new SimpleBrowser(); $browser->useCookies(); $browser->useFrames(); $browser->get('https://address/'); $browser->setField('user', 'User'); $browser->setField('pass', 'Secret'); //echoes the login page, where it should echo the landing page from a logged user echo $browser->clickSubmit('Login'); Do you have any clue why it doesn't work ?

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• Frameset frame cached by Firefox

  - by dragonfly

  Hi, I have a html page which contains nested frameset (don't ask why, I'm only servicing the app ;) ). What bothers me, is why FF caches Header.htm file constantly. I had to use clear cache to force browser to download it again. ctrl+f5 didn't help. <frameset rows="68,*" border="0" frameborder="no" framespacing="0"> <frame name="header" src="/Header.htm" scrolling="no" noresize> <frame name="footer" src="/Login.aspx?w=<% =company %>&amp;loc=<% =ccdom %>"> </frameset> Any ideas what is responsible for that behaviour? On the other hand, IE downloads the file without a hassle. Thanks, Pawel

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• What happens to my web application if Javascript is disabled?

  - by Richard77

  Hello, I'm learning JQuery and am about to write some pages using intensively that library. I just learned that some user disable javascript on their browser (I didn't even know that was possible and/or necessary). Now, here's my question: What happens to my web application if a user disable Javascript? For instance, I'd like to display some screens using Ajax and commands such as 'InsertBefore' to bring in live a DIV that will display the result. So, if Javascript is disabled, I wonder what going to happen to all this work that relies on Javascript? I'm kind of lost. Thanks for helping

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• Why can XSLT not parse this XML?

  - by Matt W

  Taking the XSLT and XML from this page as an example: http://www.w3schools.com/xsl/xsl_transformation.asp I have an xml file which contains (above example modified): <?xml version="1.0" encoding="ISO-8859-1"?> <?xml-stylesheet type="text/xsl" href="cdcatalog.xsl"?> <catalog xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://tempuri.org/"> <cd> In my case, the output contains nothing when the XSLT/XML is processed by the browser. The moment I remove the attributes from the element, it works. Problem is, I don't really have the option of pre-processing those attributes out of the file. Can anyone explain how to force the XSLT to work with the XML as is, please? After all, those attributes seem fairly standard. Many thanks, Matt.

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• is JsonP working with Opera, Chrome & Safari ?

  - by Tom

  Hi, On a web site that I am building , when you log in (because the database is on an other server), I use json padding to check if the user as the right credentials. It's working flawlessly (ie7,ie8 & FF), until I tried it on chrome, safari & opera where it's a complete disaster. $.ajax({ type: "GET", dataType: "jsonp", url: "http://someurl.com", data: aRequestData, cache: false, error: function (XMLHttpRequest, textStatus, errorThrown) { // typically only one of textStatus or errorThrown // will have info alert("Error occured textStatus=" + textStatus + " errorThrown=" + errorThrown); }, success: function(data) { alert('success'); } }); Plain and simple and it works in browser window, however, to my big surprise it did not work in chrome, safari & opera, never got to the success alert. Does anyone know how to solve this issue? Thanks.

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• How to not run function if its a mobile device?

  - by Deshiknaves

  I have a modal pop up function on my website, but i don't want this to run if the browser is smaller than 480px. I have found that if I put an if statement such as: if (window.innerWidth && window.innerWidth > 480) { run function() } Then it should run only if the browsers innerWidth is 480. However its not working and I think its because I have page scaling on this website. Can any one help me with a conditional statement if page scaling is on? Thanks.

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• 2 different php request at same time per user

  - by Oguz

  I have a website which has 2 pages , (home_page.php and action_page.php)Action page takes aprx. 2 minutes to completely load (server side takes 2 minutes) . But if user clicks to home page link while action page is loading , browser does not go to home page , until action page is completely loaded . First of all what is the reason of this ? (bowser ? php ? apache ?) and how can I avoid this ? Thank you

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• Time to ignore IE?

  - by Delan Azabani

  In this answer: http://stackoverflow.com/questions/2781013/does-anyone-have-a-easy-to-use-png-fix-for-ie/2781041#2781041 which got voted down considerably, I point out the need to ignore Internet Explorer, or at least its old version 6, for the following reasons: It is hard to hack for, and some features don't exist at all The more you hack for IE, the longer people blindly use it (vicious cycle) My website, azabani.com, doesn't hack for IE at all. The layout looks somewhat broken in the browser, and most of my projects require features not present in IE's codebase. I would like to know if you support my view, or if you share views with those who downvoted my answer.

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• How to test my application on older version of IE?

  - by Rakesh Juyal

  I have installed IE8 on my system. I usually test my application on this browser, but the problem arises when i got to know that the client is using IE7. Now how can i test my application on IE7? One possible solution is to have dual booting on my system. So on version of Windows i can have IE7 and on another i can have IE8. But i really don't want to use this solution. Another possible solution is to use PC Emulator [ Don't know what is this, just heard about these ]. Using which i can have multiple IE version simultaneously. Have you ever tried this solution? Please name any good FREE emulator. Please let me know if there is any other better solution.

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