Peter T Bosse II ptb
tvandervossen
/ environment.js
Last active
April 2, 2024 20:18
Here’s an example of my current web app user agent, device, and/or feature detection approach. I tend to inline this in the page header just before the stylesheet as part of the distribution build. A benefit of this approach is that detection is done early without any external dependencies. It’s also straightforward to modify or extend while you…
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| env = (function() { | |
| var flags = {}, ua = navigator.userAgent, el = document.createElement('div'), video = document.createElement('video'), audio = document.createElement('audio'), root = document.documentElement, i | |
| function flag(names) { | |
| names = names.split(' ') | |
| for (i = 0; i < names.length; i++) | |
| flags[names[i]] = true | |
| } | |
| function classnames() { | |
| var names = [], name | |
| for(name in flags) if (flags.hasOwnProperty(name)) |