An example that shows the difference between creating a JavaScript class and subclass in ES5 and ES6.
Osman Nuri Okumuş onokumus
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tbranyen
/ events.js
Last active
May 10, 2024 14:54
Rethinking events using ES6 (https://tbranyen.com/events)
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| const bus = {}; | |
| const get = e => (bus[e] = bus[e] || new Set()); | |
| export const listeners = new Proxy(bus, { get }); | |
| export const emit = (e, ...args) => listeners[e].forEach(fn => fn(...args)); |
jonschlinkert
/ longest.js
Created
June 13, 2018 14:49
Get the length of the longest item in an array of strings.
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| const longest = arr => arr.reduce((len, v) => Math.max(v.length, len), 0); |
padolsey
/ gist:527683
Created
August 16, 2010 20:30
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| // ---------------------------------------------------------- | |
| // A short snippet for detecting versions of IE in JavaScript | |
| // without resorting to user-agent sniffing | |
| // ---------------------------------------------------------- | |
| // If you're not in IE (or IE version is less than 5) then: | |
| // ie === undefined | |
| // If you're in IE (>=5) then you can determine which version: | |
| // ie === 7; // IE7 | |
| // Thus, to detect IE: | |
| // if (ie) {} |