HTML - Software development and programming

How to set up a CSS switcher

How to set up a CSS switcher I'm working on a website that will switch to a new style on a set date. The site's built-in semantic HTML and CSS, so the change should just require a CSS reference change. I'm working with a designer who will need to be able to see how it's looking, as well as a client who will need to be able to review content updates in the current look as well as design progress on the new look. I'm planning to use a magic querystring value and/or a javascript link in the footer which writes out a cookie to select the new CSS page. We're working in ASP_NET 3.5. Any recommendations? I should mention that we're using IE Conditional Comments for IE8, 7, and 6 support. I may create a function that does a replacement: <link href="Style/<% GetCssRoot() %>.css" rel="stylesheet" type="text/css" /> <!--[if lte IE 8]> <link type="text/css" href="Style/<% GetCssRoot() %>-i...

Wrapping lists into columns

Wrapping lists into columns I'm using ColdFusion to populate a template that includes HTML unordered lists ( <ul> s). Most of these aren't that long, but a few have ridiculously long lengths and could really stand to be in 2-3 columns. Is there an HTML, ColdFusion or perhaps JavaScript (I'm accepting jQuery solutions) way to do this easily? It's not worth some over-complicated heavyweight solution to save some scrolling. Is this jquery plugin of any use to you? Check out the Columnizer jQuery plugin. 13 Answers So I dug up this article from A List Apart CSS Swag: Multi-Column Lists. I ended up using the first solution, it's not the best but the others require either using complex HTML that can't be generated dynamically, or creating a lot of custom classes, which could be done but would require loads of in-line styling and possibly a huge page. Other solutions are still welcome though. It's sad that two years later there is still no clean w...

How can I detect if a browser is blocking a popup? Occasionally, I've come across a webpage that tries to pop open a new window (for user input, or something important), but the popup blocker prevents this from happening. What methods can the calling window use to make sure the new window launched properly? 9 Answers If you use JavaScript to open the popup, you can use something like this: var newWin = window.open(url); if(!newWin || newWin.closed || typeof newWin.closed=='undefined') { //POPUP BLOCKED } Here's an answer for chrome: detect-blocked-popup-in-chrome @ ajwaka could you kindly clarify if this answer fails for chrome, or is there a reason the other answer is better for chrome? thanks! @ ajwaka at least today this code seems to work on chrome, hence the question. @ Crashalot - You're asking me about something I answered this 6 years ago - I sadly no longer recall the situation and browsers have come a long ways in 6 years. I tried a nu...

How to detect which one of the defined font was used in a web page? Suppose I have the following CSS rule in my page: body { font-family: Calibri, Trebuchet MS, Helvetica, sans-serif; } How could I detect which one of the defined fonts were used in the user's browser? For people wondering why I want to do this is because the font I'm detecting contains glyphs that are not available in other fonts. If the user does not have the font, then I want it to display a link asking the user to download that font (so they can use my web application with the correct font). Currently, I am displaying the download font link for all users. I want to only display this for people who do not have the correct font installed. One thing to keep in mind is that some browsers will replace certain missing fonts with similar fonts, which is impossible to detect using the JavaScript/CSS trick. For example, Windows browsers will substitute Arial for Helvetica if it's not installed. The tr...

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