opera

问题 Testing some media queries in various browsers on Android and noticed Opera Mini 6.5 on my Samsung Galaxy S does not seem to apply stlyes inside the following code. @media screen and (min-width: 320px){ It seems if I lower the value to 282, Opera Mini will excute the styles inside the media query. @media screen and (min-width: 282px){ I'm wondering if anyone else has run into issues with Opera Mini not handling media queries correctly on Android phones. All of the other browsers I've tested

问题 I am trying to get the border radius property to work properly on a fieldset in Opera 10.6, but it does not appear to be working correctly. Here is the html: <form method="post" action="character.php" class="form"> <fieldset> <legend>Insert</legend> <label for="txtCharacter">Character</label> <input type="text" id="txtCharacter" name="txtCharacter" /> </fieldset> </form> Here is the css I am trying to use: .form fieldset { background-color:#355e3b; margin:0px; border:3px solid #635147; /*

问题 I have recently developed the plugin for web browsers on Mac OS X. Developed by XCode, my bundle located in /Library/Internet Plug-ins. Chrome, Safari, Firefox catch this plugin but Opera doesn't. How can my plugin be caught by Opera? 回答1: It’s difficult to answer your question without more information about your plug-in. The plug-in must be located in “/Library/Internet Plug-ins” and the bundle must have a .plugin extension instead of .bundle. Is the plug-in listed in opera:plugins? This

问题 I have a forum title bar (with forum name and thread title). Forum name, when long, is clipped and revealed on :hover . The objective is to have the thread title to begin next to forum name, hovered or not, and also clipped, when too long. The following reduced test case works in Chrome and FF but not in Opera (tested on 11.50 alpha, and latest stable, both on mac). Correct behaviour: thread title (the one with red outline) is in line with forum name. What I get in Opera: the text is gone -

问题 i have a problem with overflow on 0px height width elements in new versions my source code (jsfiddle) code worked nice before, but i have this problem in latest chrome and opera (not in firefox and edge) css: .cssload-dots { width: 0; height: 0; position: absolute; top: 0; left: 0; bottom: 0; right: 0; margin: auto; outline: 1px solid red; filter: url(#goo); -o-filter: url(#goo); -ms-filter: url(#goo); -webkit-filter: url(#goo); -moz-filter: url(#goo); } when i change width and height to

问题 I'm trying to listen to "oninput" event, but something is wrong with Opera: document.getElementById("i1").oninput = function(){ console.log("inputting"); }; document.getElementById("i1").addEventListener("input", function(){ console.log("inputting"); }); The first one works, but the second one doesn't work....it this a bug of opera? Fiddle: http://jsfiddle.net/nn2zS/ 回答1: OK, I figured out this myself, addEventListener has a 3rd parameter, it can be ignored in Chrome but not other browsers.

问题 I'm trying to detect version using regex of following browsers : Firefox, IE, Opera, Chrome and Safari. Testing following userAgent information. If push |Chrome in regex than the result I am getting is 31.0.1650.63 instead of 18.0.1284.68 Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36 OPR/18.0.1284.68 (Opera Browser) Here is regex : /(?:Firefox|MSIE|Version|OPR).?([0-9.]+)/i This regex working just fine with all browsers which is

问题 Like firefox has firebug as a efficient tool for web application developer, I am wondering is there any similar tool in opera which is for web developers? 回答1: In Opera you can use DragonFly Opera Dragonfly 1.0 is included by default with the Opera browser. Launch Opera Dragonfly with Ctrl + Shift + I on Windows and Linux, or ⌘ + ⌥ + I on Mac. Alternatively, target a specific element by right clicking in the page and selecting "Inspect Element". http://www.opera.com/dragonfly/ A video on

问题 Both seem to allow coding applications entirely in JavaScript. Both allow server side JS as well as client-side JS. So, from a technology and programming standpoint, what is the difference between the both? 回答1: Opera Unite is a collaborative technology that uses a compact server inside the Opera desktop browser to share data and services. You can write applications — in the form of Opera Unite Services — that use this server to serve content to other Web users. Source: http://dev.opera.com

问题 I make an application canvas. I load more image (png, gif) in canvas. When I click print on my browser (opera), the contents of the canvas tag does not print. With other browsers (FF, IE, Chrome), there is no problem. Why? 回答1: this answer from Capture HTML Canvas as gif/jpg/png/pdf? might be useful. var canvas = document.getElementById("mycanvas"); var img = canvas.toDataURL("image/png"); with the value in IMG you can write it out as a new Image like so: document.write('<img src="'+img+'"/>'