WebKit Features in Safari 16.4
Mar 27, 2023 by Patrick Angle, Marcos Caceres, Razvan Caliman, Jon Davis, Brady Eidson, Timothy Hatcher, Ryosuke Niwa, and Jen Simmons ContentsWeb Push on iOS and iPadOSImprovements for Web AppsWeb ComponentsCSSHTMLJavaScript and WebAssemblyWeb APIImages, Video, and AudioWKWebViewDeveloper ToolingWeb InspectorSafari Web ExtensionsSafari Content BlockersNew Restrictions in Lockdown ModeMore Improve
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When You Should Prefer Map Over Object In JavaScript#javascript See discussions on reddit In JavaScript, objects are handy. They allow us to easily group multiple pieces of data together. After ES6, we got a new addition to the language - Map. In a lot of aspects, it seems like a more capable Object with a somewhat clumsy interface. However, most people still reach for objects when they need a has
JavaScript needs more helper functions for iteration (map, filter, etc.) – where should we put them?
JavaScript needs more helper functions for iteration (map, filter, etc.) – where should we put them? Iteration is a standard that connects operations with data containers: Each operation that follows this standard, can be applied to each data container that implements this standard. In this blog post: We first explore three questions: How does JavaScript’s iteration work? What are its quirks? What
More information on the syntax and semantics of decorators (optional section) # (This section is optional. If you skip it, you can still understand the remaining content.) The syntax of decorator expressions # A decorator expression starts with a chain of one or more identifiers, separated by dots. Each identifier except the first one can be private (prefix #). Square brackets [] are not allowed
Implementing Private Fields for JavaScript – Mozilla Hacks - the Web developer blog
This post is cross-posted from Matthew Gaudet’s blog When implementing a language feature for JavaScript, an implementer must make decisions about how the language in the specification maps to the implementation. Sometimes this is fairly simple, where the specification and implementation can share much of the same terminology and algorithms. Other times, pressures in the implementation make it mor
Here is a list of common JavaScript interview questions with detailed answers to help you prepare for the interview as a JavaScript developer. JavaScript continues to be a cornerstone of web development, powering dynamic and interactive experiences across the web. As the language evolves, so does the complexity and scope of interview questions for JavaScript developers. Whether you’re a fresher de
A History of Clojure
71 A History of Clojure RICH HICKEY, Cognitect, Inc., USA Shepherd: Mira Mezini, Technische Universität Darmstadt, Germany Clojure was designed to be a general-purpose, practical functional language, suitable for use by professionals wherever its host language, e.g., Java, would be. Initially designed in 2005 and released in 2007, Clojure is a dialect of Lisp, but is not a direct descendant of any
Server-side prototype pollution: Black-box detection without the DoS
Published: 15 February 2023 at 16:30 UTC Updated: 28 March 2023 at 09:50 UTC Server-side prototype pollution is hard to detect black-box without causing a DoS. In this post, we introduce a range of safe detection techniques, which we've also implemented in an open source Burp Suite extension. You can shortly try these out for yourself on interactive, deliberately vulnerable labs in our new Web Sec
Update 2022-12-15: New section “How will this proposal affect future JavaScript APIs?” In this blog post, we look at the ECMAScript proposal “Iterator helpers” by Gus Caplan, Michael Ficarra, Adam Vandolder, Jason Orendorff, Kevin Gibbons, and Yulia Startsev. It introduces utility methods for working with iterable data: .map(), .filter(), .take(), etc. The style of the proposed API clashes with th
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JavaScript metaprogramming with the 2022-03 decorators API
JavaScript Interview Questions
ECMAScript proposal: iterator helpers