The browser is also highly customizable through add-ons. It’s also an excellent browser for performing online research because it has integrated conveniences, such as sticky notes and archived histories. The browser has a clever inline search feature that finds words and phrases fast. There’s a Panorama feature, and the option to reclaim a tab you’ve closed accidentally is really useful in practice. You may like the UI uncluttered, as it is by default, but you can also customize it to your liking if you don’t.įirefox has all the features you expect from a modern web browser, such as a tabbed interface, synchronization and backup and restore. It also boasts an intuitive and well-organized UI, which makes navigating easy and enjoyable and really lets you get the most out of the fast page loads and transitions. The Firefox UI is sleek, modern and customizable.Īs mentioned, Firefox has always been a fast web browser, and the latest iteration may be the fastest on the market. The UI has lagged behind at times due to that focus, but that really isn’t the case anymore. Speed has also been a priority of the Mozilla team, and that’s something Firefox has always and continues to do well. Firefox is a feature-rich and highly customizable web browser that’s user-friendly enough for beginners and sophisticated enough for advanced users.įirefox has managed to retain significant market share despite stiff competition from Google Chrome and Microsoft Internet Explorer and Edge. * Resolve with true if it can go backward. * Creates an iframe and attaches mozbrowser events for web browsing. When a Tab is constructed, it creates a browser iframe and attaches the mozbrowser event listeners to it: This constructor handles browser iframe creation and browser event handling. Next the ‘ Tab‘ object constructor is added to tab.js. See Bug 1020135 – ( nested-oop) Allow nested oop. Currently, the attribute does nothing in this sample browser app because Nested OOP has not been implemented. This is needed for security reasons to prevent malicious web sites from compromising the browser app. The ‘ remote‘ attribute separates the embedded iframe into another child process. A web page can request fullscreen mode by calling Element.mozRequestFullscreen(). The mozallowfullscreen attribute enables the embedded web page of the iframe to use fullscreen mode. Var iframe = document.createElement('iframe') * Returns an iframe which runs in a child process with Browser API enabled Following is the code in tab.js which creates an iframe with the ‘ mozbrowser‘ attribute to enable the use of the Browser API. In order to separate the UI and mozbrowser event handling and preserve the flexibility of supporting multiple tabs in the future, we have added a tab.js file. The browser app has to handle mozbrowser events which are accessible when the app has the browser permission. We could have added the iframe to the HTML, but in this example a new browser iframe will be created dynamically.īelow is a screenshot of the simple browser app: The browser iframe will be created later using JavaScript. The browser app we’re building will have a toolbar on top and a div as the iframe container which displays ‘Hello myBrowser!’ by default. To allow our app to use the Browser API, we need to specify the ‘ browser‘ permission. The template has already set the app type to privileged in the manifest.webapp. Next we’ll start to add code to make a simple browser app. The Browser API provides additional methods and events to manage iframes.īelow is a screenshot of what the app should look like. This permission is required in order to use the Browser API. The app type needs to be privileged so the browser permission can be set. To open the WebIDE within Firefox, select Tools > Web Developer > WebIDE from the top menu:įirst, bootstrap a web app using the WebIDE empty template. By using the WebIDE, we can easily bootstrap a web app, make HTML/CSS/JS modifications and run the app on one of the Firefox OS simulators. A Firefox OS device is not required to develop, build or test a browser app. The WebIDE is available with Firefox 34 or later. Following the steps, you’ll get a basic Firefox OS browser app with an address bar and back/forward buttons to browse web pages. This article shows you how to build a browser app for Firefox OS devices. While Firefox OS already includes a browser, you can use the browser API to create your own browser or add browser functionality to your app. It also manages tabbing, browsing history, bookmarks, and so on depending on the implementation. A browser app on Firefox OS provides a user interface written with HTML5 technology and manages web page browsing using the Browser API. Firefox OS is an operating system built on top of the Firefox web browser engine, which is called Gecko.
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