The revert CSS keyword reverts the cascaded value of the property from its current value to the value the property would have had if no changes had been made by the current style origin to the current element. Thus, it resets the property...
HTTP defines a set of request methods to indicate the purpose of the request and what is expected if the request is successful. Although they can also be nouns, these request methods are sometimes referred to as HTTP verbs. Each request...
The transform CSS property lets you rotate, scale, skew, or translate an element. It modifies the coordinate space of the CSS visual formatting model.
Since nearly its beginning, the web has included support for some form of visual media presentation. Originally, these capabilities were limited, and were expanded organically, with different browsers finding their own solutions to the...
The JavaScript Guide shows you how to use JavaScript and gives an overview of the language. If you need exhaustive information about a language feature, have a look at the JavaScript reference.
Microformats are standards used to embed semantics and structured data in HTML, and provide an API to be used by social web applications, search engines, aggregators, and other tools. These minimal patterns of HTML are used for marking up...
The JavaScript reference serves as a repository of facts about the JavaScript language. The entire language is described here in detail. As you write JavaScript code, you'll refer to these pages often (thus the title "JavaScript reference").
Extensions, or add-ons, can modify and enhance the capability of a browser. Extensions for Firefox are built using the WebExtensions API cross-browser technology.
The String object is used to represent and manipulate a sequence of characters.
Most of the Web Console is occupied by the message display pane: Each message is displayed as a separate row: Time The time the message was recorded. This is not shown by default: you can opt to see timestamps by selecting Show Timestamps in the console settings menu (gear icon in the console...