PUBLIC MARKS with tag opera

Debug JavaScript, inspect CSS and the DOM, and view any errors – Opera Dragonfly makes developing using Opera easier than ever, both on your computer and mobile phone. Check out our alpha release for a taste of things to come.

"さて、これらを踏まえて、4大ブラウザーのJavaScriptパフォーマンスを計測してみた。"

Welcome to Opera Dragonfly alpha, the foundations of Opera's upcoming Developer Tools. Debug JavaScript, inspect CSS and the DOM, and view any errors – Opera Dragonfly makes developing using Opera easier than ever, both on your computer and mobile phone. Check out our alpha release for a taste of things to come.

firebug-like pour Opera

Opera's upcoming Developer Tools. Debug JavaScript, inspect CSS and the DOM, and view any errors

Welcome to Opera Dragonfly alpha, the foundations of Opera's upcoming Developer Tools. Debug JavaScript, inspect CSS and the DOM, and view any errors – Opera Dragonfly makes developing using Opera easier than ever, both on your computer and mobile phone.

We have unleashed the Dragonfly! Opera Dragonfly is Opera's all-new set of developer tools, designed to give developers a lightweight-but-powerful application that provides effective mechanisms for web standards debugging and problem solving without slowing down the browser, and fits in nicely with the development workflow.

Opera Mini 4.1 beta lets you have the full Web everywhere. This newest release includes several new features, including automatic completion of web addresses, making it easier to get to the sites you need; tools for attaching files to web-based email; uploading photos to your blog or other site; downloading attachments from email for storage on your phone; and saving and viewing pages offline.

"ブラウザ互換性の対応に苦しむウェブ開発者を救うために、最新のブラウザにアップグレードしましょう、もっと具体的にいうと、IE6を使うのをやめるよう呼びかけましょう、というキャンペーンでした。"

View Selection Source — simple JavaScript bookmarklet (favelet) or an User JavaScript which allows you to see HTML source of any part of page, it's very useful for web developers. You probably know it from Firefox.

If there was a web technology museum, document.all would be one of the main displays

1. sélectionner le texte 2. click droit 3. clicker sur "speak" (ou "parler")

Some people seem to think that Opera's recent legal action against Microsoft will cause relations in the CSS Working Group to deteriorate and thereby damage our group's ability to function

Firebug is an extension for Firefox, but what happens when you need to test your pages in Internet Explorer, Opera, and Safari? If you are using console.log() to write to Firebug's console, you'll wind up with JavaScript errors in these other browsers, an