Is there anyway using Javascript, one can determine whether or not the browser viewing the page supports a particular CSS property or value? For example, I know IE6 doesn't support the value of "fixed" for the "position" property, so is there anyway I can determine this with Javascript, without resorting to browser sniffing?
I'm using jQuery SVG and would like to check if the browser that the person is using will support SVG --- if not, they'll receive a polite message; is there anyway to check this using javascript?
Can anyone let us know that what jQuery APIs are supported in Andoid 2.3.4. It would be helpful if you can provide sheet/list of jQuery APIs in different categories like TRAVERSAL,CORE,UI,AJAX etc which are supported in Android 2.3.4.
I would like to know whether anyone can tell me which plattforms are supported by jQ Touch. On the homepage of jQ Touch it is said, that is "for mobile web development on the iPhone, Android, iPod Touch, and other forward-thinking devices" SO what is meant by that. Which other browsers are supported?
does anyone know if the setTimeout() function in js has been just recently supported? i created an online demonstration of a product that uses this function to delay the playing of .wav files after various second intervals. i know that Opera doesn't support this function because when I click my button, all of the .wav files that i have in the function that runs behind the button play at once. i have probably 10 wav files that are played throughout the function, at various conditional statements. does anyone know if earlier (like REALLY old) versions of IE do not support this function? or maybe ie8 doesn't support it? i developed this and tested it in all major browsers except IE8 and any version earlier than IE6.
I've been working on a WP site that uses a handful of plugins - several of which include java-script files. I've been having trouble with one of the plugins and have started the debugging process and noticed that the page the problem is occurring on shows a few java-script errors. [URL]. What do the "Object Not Supported" errors mean - and what would it entail to fix them?
Webpage Error Details User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0) Timestamp: Mon, 22 Nov 2010 16:43:02 UTC
Message: Object doesn't support this property or method Line: 143 Char: 2 Code: 0 [URI]
Message: Object doesn't support this property or method Line: 4621 Char: 7 Code: 0 [URI]
Message: 'style' is null or not an object Line: 33 Char: 6 Code: 0 [URI]
Is there a way to detect if an textarea onscroll event is working in Firefox (or Mozilla). I know that there is an onscroll event bubbling bug with current vesions of these browsers so I want to detect this problem with a test like "if (textarea.onscroll == 'undefined' || !textarea.onscroll) {}."
// This is asp.net snippet <marquee id="marqueeLeft" class="marqueestyle" direction="up" onmouseout="this.start();" onmouseover="this.stop();" scrolldelay="500" style="height: 99px; width: 100%;" > <asp:PlaceHolder ID="LeftPlaceHolder" runat="server"></asp:PlaceHolder> </marquee>
When I moved the pointer to this <marquee> tag. It shows the error message "Validation (xhtml 1.0 transitional) element marquee is not supported". When i run my web app it runs successfully but it gives jscript error as System.Argument Exception as value for controls and behaviors must not be null.
I need to obtain a list of supported events on an encountered browser version programmatically, ie, via script. Since Explorer exposes its events on document object I can do something as simple as this:
;for(x in document)if(/^on/.test(x))alert(x);
(!warning: long list ahead..., you can use the console.log(x) instead) ..and simply store them on some appropriate object for latter use in my program flow.
Is there a sort of hack or "a hidden corner" or whatever, that would enable us to build a list of events available on Firefox in a similar fashion?
So I have this script that will let me detect whether @font-face is supported by the browser. Once this script runs then isFontFaceSupported() // will return a boolean indicating support.
So I just want to load a single .css stylesheet if isFontFaceSupported returns a 1, and if it returns a 0, then it does nothing, finished.
Here is the script.
The following is a font-face glyph definition for the . character:
I am generating a series of links with the name of my clinics. Each has its id (ie permission0, permissions1 . . .) and shows the name of the clinic. When the user clicks on the link I need to show the details of that clinic, but for the moment I don't know how to tell createDialog() which link was clicked. Code:
I want to do is determine whether the selected checkbox is on or off. At the moment, when the checkbox is ticked or unticked the javascript returns false.
Any one have a way to determine the left pixel position of an element on a page (such as <input ...>, given a fixed value was not supplied originally. This needs to be done dynamically so several elements can be aligned by setting their css left values. Jquery is available if that is of any use.
I've been running around the web, including a search here, but haven't hit upon a solution that works. I'm trying to determine the document height of a web page. The following code produces a 0 (zero) onload, and again when the button is pressed. Right now, I'm working with Firefox 2 on Ubuntu Edgy. I'll worry about IE compatability later. Code:
I want to make an if stament that will do a thing if the browser is Internet Explorer. Else if the browser is Netscape will execute other code. How can I make that?
if (Internet Explorer) {execute this code}
else if (netscape) {execute this other code}
?
PS-also, is there a tutorial or reference that sais what commands are supported by each kind of browser?(most important for me at the moment is knowing wich commands are supported by browsers to show and hide layers..)
While attempting to create a greasemonkey script in FF2 (don't ask), I discovered that the "let" statement was causing my code to fail. After confirming that this statement has been available since FF2 (js engine 1.7) [URL] became curious as one determines their javascript engine in FF. IE has a way to inspect the jscript engine, ala [URL] but I couldn't find anything similar for FF. Feel free to list links for testing engines in other browsers,
The title pretty much sums it up. How can you tell through JavaScript whether the browser successfully loaded a source from the HTML5 <video> tag? Is there a way to do this by simply referencing a property of the video element?
I was wondering if the was any way to determine the state of the caps lock key, on or off. Of course I can capture the key events and see whether the caps lock is pressed, but that does not help.
I have seen some example that looks at the characters entered in an input field to determine if the caps lock is on, but I was wondering if something is possible that is a bit more immediate to report the caps lock state.