The array reduce method is really powerful. But people often run into trouble as soon as they step beyond the basic examples. Simple things like addition and multiplication are fine. But as soon as you try it with something more complicated, it breaks. Using it with anything other than numbers starts to get really…
header bidding, DFP, GAM, cpm ... welcome in the world of ads, where everything is an acronym. Le me try to explain how everything works under the hood.
Sendy's reCAPTCHA implementation doesn't do anything.
Web developer, standards and engineering nerd, cocktail enthusiast, maker.
The libsodium cryptographic library added support for WebAssembly back in 2017.
Techniques for keeping your app code under control even when requirements shift dramatically.
Despite the goal of JSON being a subset of JavaScript — which it failed to achieve (update: this was fixed ) — parsing JSON is quite unlike parsing a programming language. For invalid inputs, the specific cause of error is often counter-intuitive. Normally this doesn’t matter, but I recently ran into a case where it…
I finished my first semester teaching at the University of Michigan. I taught EECS 493 User Interface Development all on the Web. It was a tough class for me since I had never before this class use…
Note The latest version of this document can be found online at https://dr-knz.net/go-executable-size-visualization-with-d3.html. Alternate formats: Source, PDF. Note Erratum (2019-04-02): The increase in binary size from CockroachDB v1.0 to v19.2 is 94%/125%, not 194%/225% as initially written. The increase in source…
An article by Igor Kromin has provided an insight into a practice by GoDaddy involving injecting Javascript into customer sites. Several people expressed interest in a breakdown of the script - so here it is. Please review Igor’s original blog for further background
Things you should know about color when adopting dark mode.
谁向云端着此亭，檐前树木映窗棂。 -- 释绍嵩《陪赵知府登桃岭山亭》 (image from 中国窗棂) The traditional Chinese window lattice has a symmetrical beauty, as well as a very beautiful formal name -- 窗棂.
90Phut TV là trang web không thể bỏ qua dành cho những tín đồ theo dõi bóng đá trực tuyến. Kênh đảm bảo mang đến chất lượng tường thuật mượt mà cùng nhiều tin
Create beautiful emails, automate campaigns, and track performance. Try it now and see how our tools can drive your business.
Back when Internet Explorer was dominant, and every developer I knew installed Firefox on every family member and their dogs desktop, I remember a big selling point for convincing people to use Firefox was ‘Tabs’.
You ever notice that there's this funny threshold for getting to the front page on sites like HN? The exact threshold varies depending on how much traffic there is, but, for articles that aren't wildly popular, there's this moment when the article is at N-1 votes. There is, perhaps, a 60% chance that the vote will…
CSS Grid is fun to use but hard to learn. Here are three tips to help you understand and leverage the Grid spec.
As WebGPU specification is approaching a usable shape, we are working on prototype implementations in both Gecko and Servo. If you ever wondered about what i...
In this post, we’ll look at the new loading attribute which brings native <img> and <iframe> lazy-loading to the web!. For the curious, here’s a ...
Recently, I was performing a research on Same Origin Policy attacks, I managed to realize that the la version of Firefox (currently 67) is vulnerable to local files theft attack (on any supported OS), due to improper implementation of Same Origin Policy for file scheme URIs. Let’s go over the PoC details then I will…
In this post we describe and demonstrate a neat trick to exfiltrate sensitive information from your browser using a surprising tool: your smartphone or laptop’s ambient light sensor. In short: 1. We provide background about the light sensor API and current discussions to expose it more broadly to websites.
A different approach to handle your conditions...
Warning: All of this doesn’t really follow any best practices for working with html, css or javascript - on the contrary: what we will be doing may look horrible to some people, and rightfully so - so you may not want to try those things at work just yet.
