developer.mozilla.org
::after (:after) - CSS | MDN
The ::after notation was introduced in CSS 3 in order to establish a discrimination between pseudo-classes and pseudo-elements. Browsers also accept the notation :after introduced in CSS 2.
11 links collected from mozilla.org between 2015 and 2024
2015
- developer.mozilla.org
Array.prototype.sort() - JavaScript | MDN
The sort() method sorts the elements of an array in place and returns the array. The sort is not necessarily stable.
- developer.mozilla.org
let - JavaScript | MDN
In ECMAScript 6, let does not hoist the variable to the top of the block. If you reference a variable in a block before the let declaration for that variable is encountered, this results in a ReferenceError, because the variable is in a "temporal dead zone" from the start of the block until the declaration is processed.
- developer.mozilla.org
Using Content Security Policy
Configuring Content Security Policy involves adding the Content-Security-Policy HTTP header to a web page and giving it values to control resources the user agent is allowed to load for that page.
- hacks.mozilla.org
Compiling to WebAssembly: It’s Happening!
this indicates that we are in good shape here, and can compile C and C++ to WebAssembly today
2016
- developer.mozilla.org
Controlling DNS prefetching
Force the lookup of specific hostnames without providing specific anchors using that hostname by using the rel attribute on the element with a link type of dns-prefetch
- developer.mozilla.org
JavaScript: Comma operator
You can use the comma operator when you want to include multiple expressions in a location that requires a single expression.
- developer.mozilla.org
Subresource Integrity
A security feature that enables browsers to verify that files they fetch (for example, from a CDN) are delivered without unexpected manipulation. It works by allowing you to provide a cryptographic hash that a fetched file must match.
- observatory.mozilla.org
Observatory by Mozilla
Designed to help developers, system administrators, and security professionals configure their sites safely and securely.
- blog.mozilla.org
Distrusting New WoSign and StartCom Certificates
The levels of deception demonstrated by representatives of the combined company have led to Mozilla’s decision to distrust future certificates chaining up to the currently-included WoSign and StartCom root certificates.