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Any function that takes an input and computes to true or false as a result is called a "predicate" function
#javascript #react #angular
Аневризма retweeted
Two Tips to Improve Performance by 30% With React and Webpack bit.ly/2xbk8o0 #ReactJS #JavaScript #PerfMatters
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Функция, которая принимает функцию в качестве параметра в функцию по умолчанию
let f = (fn = () => {}) => fn()
#javascript #react #angular
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#функция, которая возвращает другую функцию... красота!!!
let foo = () => () => x;
#javascript #react #функциональноепрограммираваное
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let foo = fn => fn();
foo(x => bar(x));
функциональное программирование - functional programming
#javascript #es2016 #react #angular
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in a few words, what's a web architect? It confuses me a lot
@holtbt @jhusain @toddmotto @teropa
#javascript #react #angular
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Аневризма retweeted
Intersection Observer comes to Firefox hacks.mozilla.org/2017/08/in… via @mozhacks
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for (var i = 0; i => 5:, i += 1) {
(function fn(i) {
setTimeout(() => console.log(i), 1 * 1000);
}(i));
#javascript #clousure #react
"Hoisting" is made up, it doesn't exist on the spec. It's actually a metaphor for describe how the compiler works
#javascript #react
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let afn = async () => try { await otherAsync() }catch(e) {}
// equivalent
let afn = () => otherAsync().catch(e);
#javascript #react #es2017
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A #router state is an arrangement of application components that defines what is visible on the screen.
#javascript #angular #angular4
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#webassembly should be mandatory at college....
#javascript #react #angular #webpack #inferno #preact #firebase
when we use "named arguments" on mixins, the order doesn't matter, god damn is cool
#sass #css #scss #webdesign
Instead of loading multiple small images, consider spriting (single image with coordinates)
#javascript #webpack #react #angular #inferno
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#webpack Core Concepts
Entries - Where to start bundling?
Output - Where to output?
Loaders - How to transform?
Plugins - How to bundle?