Using Headless Mode in Firefox – Mozilla Hacks - the Web developer blog
If you know the ropes, good news! Firefox now has support for headless mode, making it easier to use as a backend to automated tools. You can jump ahead to learn how to use it. Browser automation is not a new idea, but is an increasingly important part of how modern websites are built, tested, and deployed. Automation setups range from scripts run on local machines to vast deployments of specializ
Async/Await Arrive in Firefox – Mozilla Hacks - the Web developer blog
The new async and await keywords—which make asynchronous code more concise, obvious, and maintainable—have arrived in Firefox 52. Currently available in the latest Developer Edition release, Firefox 52 is scheduled for general release in March 2017. JavaScript owes its excellent single-threaded performance and responsiveness on the web to its pervasively asynchronous design. Unfortunately, that sa
BroadcastChannel API in Firefox 38 – Mozilla Hacks - the Web developer blog
Recently the BroadcastChannel API landed in Firefox 38. This API can be used for simple messaging between browser contexts that have the same user agent and origin. This API is exposed to both Windows and Workers and allows communication between iframes, browser tabs, and worker threads. The intent of the BroadcastChannel API is to provide an API that facilitates communicating simple messages betw
The P2P Web: Wi-Fi Direct in Firefox OS – Mozilla Hacks - the Web developer blog
At Mozilla, we foresee that the future of the Web lies in its ability to connect people directly with multiple devices, without using the Internet. Many different technologies exist and are already implemented to allow peer-to-peer connections. Today is the first in a series of articles presenting these technologies. Let me introduce you to Wi-Fi Direct. What is it about? Wi-Fi Direct is a communi
Canvas 2D: New docs, Path2D objects, hit regions – Mozilla Hacks - the Web developer blog
Over the last year, a couple of new HTML Canvas 2D features were implemented in Firefox and other recent browsers, with the help of the Adobe Web platform team. Over on MDN, the documentation for Canvas 2D got a major update to reflect the current canvas standard and browser implementation status. Let’s have a look what is new and how you can use it to enhance your canvas graphics and gaming conte
Firebug
Thank you, Firebug. You made the web amazing for all! The story of Firefox and Firebug are synonymous with the rise of the web. We fought the good fight and changed how developers inspect HTML and debug JS in the browser. Firebug ushered the Web 2.0 era. Today, the work pioneered by the Firebug community through the last 12 years lives on in Firefox Developer Tools. Switch to the latest version of
Firebug
Thank you, Firebug. You made the web amazing for all! The story of Firefox and Firebug are synonymous with the rise of the web. We fought the good fight and changed how developers inspect HTML and debug JS in the browser. Firebug ushered the Web 2.0 era. Today, the work pioneered by the Firebug community through the last 12 years lives on in Firefox Developer Tools. Switch to the latest version of
JägerMonkey による JavaScript パフォーマンス向上 « Mozilla Developer Street (modest)
/2010/04/improving-javascript-performance-with-jagermonkey/ にリダイレクト中
Firefoxで複数のiframeのコンテンツが入れ替わるバグ - l4l
バグ？ よくポータルサイトなんかに表示されているレクタングル広告がiframeなんかで呼ばれますが、複数iframeが存在する場合でFirefox閲覧時にそれらのiframeのコンテンツが入れ替わることがあります。んでその再現コードを書いてみた。 iframeが入れ替わる <script type="text/javascript"> if((Math.random()*2)|0)document.write('<iframe src="http://www.google.co.jp/" frameborder="0" scrolling="no"></iframe>'); </script> <iframe src="http://www.yahoo.co.jp/" frameborder="0" scrolling="no"></iframe> １つ目のiframeはGoogle、表
Firefoxアドオンの作り方[拡張機能の開発]
アドオンの開発方法は一応公式にちゃんと書いてあるんですが、情報がばらけていて「とりあえずこれを順番に読めば大丈夫」と言えるものがないので、私自身初心者ですがここに簡単にアドオンの作成方法をまとめておきます。 ただし、ある程度プログラミングの知識があることを前提にしています。 基本 1.準備 2．install.rdf 3．XUL 4.XUL（補足） 5.設定ウインドウ 6'．ローカライズ 7.重要な補足 その他 Tips アドオンの翻訳仲介サイトBabelZilla の使い方 意見、感想などはこちらから リンク 公式サイト Mozilla Developer Center(拡張機能) Code snippets（便利なコード集） DOM Reference (document,windowオブジェクトなどについて) アドオン開発者による解説 Firefox 3ではじめる拡張機能開発（特に第
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