xhtml | 易学教程

<br> instead of <br/> in Visual Studio

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问题 I use Visual Studio for teaching HTML. We use HTML 4.01 Transitional. Visual Studio defaults to XHTML 1.0, and I need to solve one problem with a typical difference among these two HTML standards: Whenever we enter <br> or <hr> , it is automagically changed to <br /> or <hr /> respectively. This is great for XHTML, but unwanted when working in HTML 4.01 mode. So how to turn off this automagical feature? We use mainly Visual Studio 2010, and sometimes also 2012 and 2008. (I know how to easily

Page Load - White “flash” inbetween pages

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问题 There are two websites, one live one under development. I am porting a site to Zend Framework (for maintainability/integration purposes). The original (live) site has seamless page loads - it will load, then update the content on the screen while keeping the background image, navigation etc on the page. The ported site (development) "flashes" completely white for a brief moment then all of the content appears simultaneously. From what I understand, this is not a FOUC (flash of unstyled

How to make javascript focus() method work in onBlur event for input text box?

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问题 for me javascript focus() method is working fine if i use it with a button and onClick event, but with onBlur from a text box, it is not working.Can anyone guide me on this? <html> <head> <script type="text/javascript"> function displayResult() { var inp1=document.getElementById("text1").value; var inp2=inp1.length; if(inp2==0) { alert("Field 1 cannot be left Empty"); //document.getElementById("text1").value=""; document.getElementById("text1").focus(); } } </script> </head> <body> <input

How to write one IE conditional comment to target all IE versions at once?

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I want to use a JavaScript only for all IE version 6,7 and 8. Nested conditions ( WRONG ):  <![endif]--> <![endif]--> EDIT: As Martha highlighted, nested condition don't work, use " & ":  <![endif]--> Other examples from MSDN :  <![if !IE]><p>You are not using Internet Explorer.</p><![endif]>  <!--[if !(IE 7)]><p>You are not using version 7.</p><!

Making A Close Image Appear On Top Right Corner Of A DIV

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问题 I wanted to know how to make a small cross (close) image appear on the top right inside of a div. Using CSS and XHTML. Thanks 回答1: You could do it this way: jsfiddle.net/7JEAZ/1317 Code snippet: #panel{ width:100px; height:100px; background:red; } #close{ display:block; float:right; width:30px; height:29px; background:url(https://web.archive.org/web/20110126035650/http://digitalsbykobke.com/images/close.png) no-repeat center center; } <div id="panel"><a id="close" href="#"></a></div> 回答2: In

positioning a div inside another div?

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In a big div I have search box which basically is a div having text box glass image and button. Requirement is to positioned this search wizard vertically in middle and on right side in div. This box is coming on top left inside div. I have tried different things but not getting how to set it. Please guide me. Thanks <div class="Right"> <div class="header-search" style="position: relative; top: auto; bottom: auto; right: 0 left:100%; margin: auto 0 auto auto;"> <input type="text" class="searchbox" /> <input type="button" class="searchbutton" value="›" /> </div> </div> div.Container div.Right {

Why isn't my favicon showing up?

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问题 Alright, so my favicon isn't showing up for some reason. It's at image/favicon.ico (I've checked like 5 times). This is the code I use for it: <link rel="shortcut icon" href="images/favicon.ico" /> And this is the site: http://prime.programming-designs.com/ Edit: alright, I guess it's just my cashe. 回答1: It's probably just cached in your browser, it shows up as a blue cross on mine. Else, check your image path. image/favicon.ico isn't matching images/favicon.ico , but that is probably just a

XML to XML conversion with XSLT (Add, delete, modify)

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I'm trying to convert from one XML (XHTML) file to another one with XSLT. I have to add some new elements and attributes, remove some elements and attributes as well as update the value of some existing attributes. So for with the valuable help given in this forum, I'm able to do many tasks as per the answer of my previous question: XML to XML with XSLT- Add, Remove, Modify Elements and Attributes but the problem arises when the elements have the same name and one same attribute. At that point I'm unable to distinguish it for modification. For Example: I have two scripts of type="t/j" after

Does HTML5 support namespaces?

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问题 Are we allowed to extend HTML5 with new tags like <foo:bar> in HTML5? I ask because the Facebook API includes just this kind of thing ** , and our pages are defined as HTML5. More specifically, is it possible to make a HTML5-conformant page that uses fb:fbml? 回答1: Strictly speaking, no. You can have JavaScript code write the FBML which gets around any potential validation issues, but it's bad form. That aside, even if you could, you don't want to make a page that uses FBML. FBML will be

Can a <hr /> element have a closing tag?

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问题 My colleague doesn't really know or understand html. Her job is to input information into the CMS and I've noticed she keeps closing her <hr /> tags like this <hr></hr> . I've had a Google but I can't find anywhere that says this isn't allowed or could cause problems. I know it's supposed to be <hr /> but is it worth me telling her or is it unnecessary but valid markup? NB The doctype for our website is XHTML 1.0 Transitional if that makes any difference. EDIT @Jeff had a good idea about