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| var R = {}; | |
| R.component = function() { console.log('hello') }; | |
| var A = { component } = R; |
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| Array.prototype.map2 = function(fn) { | |
| this.forEach(function(e) { | |
| fn.call(this,e); | |
| }); | |
| } |
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| <!DOCTYPE html> | |
| <html lang="5"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Pierwszy komponent w React.js</title> | |
| <script src="https://unpkg.com/react/umd/react.development.js"></script> | |
| <script src="https://unpkg.com/react-dom/umd/react-dom.development.js"></script> | |
| <script src="https://unpkg.com/babel-standalone/babel.js"></script> | |
| <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/2.2.13/semantic.min.css"> | |
| </head> |
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| <!DOCTYPE html> | |
| <html lang="5"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Pierwszy komponent w React.js</title> | |
| <script src="https://unpkg.com/react/umd/react.development.js"></script> | |
| <script src="https://unpkg.com/react-dom/umd/react-dom.development.js"></script> | |
| <script src="https://unpkg.com/babel-standalone/babel.js"></script> | |
| <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/2.2.13/semantic.min.css"> | |
| </head> |
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| function makeIterator(arr) { | |
| var index = 0; | |
| return { | |
| next : function() { | |
| return index < arr.length ? { | |
| value: arr[index++], | |
| done: false | |
| } : { | |
| value: arr[index], | |
| done: true |
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| function Constans(arg, value) { | |
| return Object.defineProperty(this, arg, { | |
| value: value, | |
| writable: false | |
| }); | |
| } | |
| Constans('test', 2); | |
| test; //2 |
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| // jasmine | |
| const customMatchers = { | |
| toBeArray: function () { | |
| return { | |
| compare: function (item) { | |
| const result = { | |
| pass: item instanceof Array, | |
| message: '' | |
| }; |
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| const asyncReducerFactory = (name) => { | |
| return (state = { data: null, isLoading: false, error: null }, action) => { | |
| switch (action.type) { | |
| case `FETCH_${name}_STARTED`: | |
| return { data: null, isLoading: true, error: null }; | |
| case `FETCH_${name}_SUCCESS`: | |
| return { data: action.payload, isLoading: false, error: null }; | |
| case `FETCH_${name}_ERROR`: | |
| return { data: null, isLoading: false, error: action.payload }; | |
| default: |
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| function Device(power) { | |
| this.power = power; | |
| this.turnPower = function() { this.power = !this.power }; | |
| } | |
| Device.prototype.sayHello = function() { this.power ? console.log('hello, the power is on') : ''} | |
| function Computer(proccessor, memory) { | |
| this.proccessor = proccessor; | |
| this.memory = memory; |
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| class Humanoid { | |
| constructor(name) { | |
| this.name = name; | |
| } | |
| say() { | |
| console.log(this.name); | |
| } | |
| } | |
| class Human extends Humanoid { |