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Questions tagged [opera]

Opera is a series of web browsers developed by Opera Software AS. The desktop versions—between 7 and 12.x—used the Presto rendering engine, while newer versions (15+) use Blink, a fork of WebKit.

The Opera browser is cross-platform and has desktop, tablet, TV and different mobile versions (Mobile and Mini). It is also built into Nintendo Wii and DS consoles.

Opera used the proprietary engine Presto up until February 2013, when Opera announced that their products would transition to using Chromium/WebKit. It was later announced they would actually switch to Blink, the same fork of WebKit that Chrome now uses.

The Chromium-powered Opera 15 was released as a successor to Opera 12 at the end of May 2013.

This tag, , should be used for questions that are not specific to either the older Presto or newer Blink rendering engine; questions specific to either version should use or , respectively. Other tags in this family include and .

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1955 questions
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How to remove the arrows from input[type="number"] in Opera

Just looking to remove these arrows, convenient in certain situations. I would like to preserve the browser's awareness of the content being purely numeric however. So changing it to input[type="text"] is not an acceptable solution. Now that Opera…
anthonyryan1
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How can I zoom an HTML element in Firefox and Opera?

How can I zoom an HTML element in Firefox and Opera? The zoom property is working in IE, Google Chrome and Safari, but it’s not working in Firefox and Opera. Is there any method for adding this property to Firefox and Opera?
SABU
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How do you stop Chrome and Opera sorting JSON objects by Index ASC?

I've got a problem. Using ajax I sent a correctly formed JSON object using: $.ajax({ type: "POST", url: SITE_URL+'/data.php', dataType: "json", data: { ajax: 1 }, …
Dorjan
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Red warning message in Opera console

Red-colored message appeared, presumably after browser auto-update: Warning! This area is for use by developers only. Scammers have been known to encourage people to copy/paste information here to hack accounts. Do not proceed if you are…
Estus Flask
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Server sent events and browser limits

I have a web application that listens for Server Sent Events. While I was working and testing with multiple windows open, things were not working and I banged my head for several times looking in the wrong direction: eventually, I realized that the…
Sunyatasattva
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How do I keep two divs on the same line?

I've been working on a dropdown menu similar to suckerfish. I've got the dropdown side working now, but I have some images I'm trying to put on either side of the links. Right now I'm using a div the size of the image, then setting the…
Riet
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Wingdings font family does not seem to work on Firefox and Opera

I was using the Wingdings font in the CSS for some symbols like a pencil and a home icon. It worked on IE, Chrome and Safari but not in Firefox and Opera. I googled it but did not find any better solution. Why doesn't it work in Firefox? I do need…
niko
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Detect left mouse button press

I hate this mess with the mouse buttons created by W3C an MS! I want to know if the left mouse button is pressed when I get a mousedown event. I use this code // Return true if evt carries left mouse button press function detectLeftButton(evt) { …
Boris Hamanov
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what input field type forces the number pad mobile keyboard to come up when focused?

I tried the but on Opera that outputs a strange input box coupled with an "up and down" handler. What I expected was a regular text field that once you focus on it prompts the number keyboard instead of the alphabets. Is that…
Ayyash
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How to make CSS visible only for Opera

Is there a way to make some CSS rules visible only for Opera?
Calin Don
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How can I check if the browser support HTML5 file upload (FormData object)?

How can I check if the browser support HTML5 file upload (FormData object)? var fd = new FormData(); Following the answer from this post, but the code does not return correct answer about the browser, window.onload = function() { if…
Run
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filter: blur(1px); doesn't work in Firefox, Internet Explorer, and Opera

I have a problem with CSS. When I try to do -webkit-filter: blur(1px); -moz-filter: blur(1px); -ms-filter: blur(1px); -o-filter: blur(1px); filter: blur(1px); it looks perfect in Safari and Chrome, but the blur doesn't show up at all in Firefox,…
Thomas Lai
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Is it correct that JSON.stringify(2) == "2" may return false?

I've found that on Opera 11.50 the expression JSON.stringify(2) returns an object for which typeof returns "string" constructor.name is String charCodeAt(0) is 50 length is 1 But still alert(JSON.stringify(2) == "2") shows "false" in Opera…
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Is there a workaround to Safari's/Opera's bug that you can't tab through hyperlinks?

In IE, Firefox, Chrome and most Windows-based interfaces that I've used, the Tab key can be used to navigate from one form field or hyperlink to the next (e.g. "actionable" items) (note: I have not tested on other Operating Systems) However Safari…
scunliffe
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How to determine the Opera browser using JavaScript

I want to determine whether the browser of the client machines is Opera using JavaScript, how to do that?
Avinash
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