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// object literal. Very flexible and with shorthand notation for methods, it's very nice.
const obj = {
   addTodo() {
   },
   removeTodo() {
   },
   transactions: { // sub object
      fetchTodos() {
      }
   }

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const reducers = {
   add(state, {payload: [number]}) {
	     return state + number;
   },
};

function reducer(state, action) {
	 if (reducers.hasOwnProperty(action.type))
		   return reducers[action.type](state, action);
   return state;

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def emit_point():
    print "x", x, "y", y

while width > 0 and height > 0:
    direction = 1
    while direction >= -1:
        for i in range(width - 1):
            emit_point()
            x += direction
        for i in range(height - 1):

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const app = {
   logo: new Image;    
};
app.logo.onLoad = () => {
   // do some stuff
}
app.logo.src = logoUrl;

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class Application {
   constructor(logoUrl, onLoad) {
      this.logo = new Image;
      this.logo.src = logoUrl;
      this.callback = onLoad;
      this.logo.onLoad = this.run.bind(this);
   }
   run() {
        // some other things
       this.callback();

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//License CC0 1.0: https://creativecommons.org/publicdomain/zero/1.0/

class Deferred extends React.Component {
    constructor(props) {
        super(props);
        this.state = {
            value: ''
        };
    }
    componentDidMount() {

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{
  "name": "Bułka z masłem",
  "price": 10,
  "currency": "PLN",
  "description": "Bardzo smaczna"
}

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import React from 'react';
import * as ReactDOM from 'react-dom';


var root = {
   name: 'World',
   children: [
       {name: 'Sun', id:1},
       {
           name: 'Earth', id:2,

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import React from 'react';
import * as ReactDOM from 'react-dom';


var root = {
   name: 'World',
   children: [
       {name: 'Sun', id:1},
       {
           name: 'Earth', id:2,

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function foo() {
    return <div>{'{ss'}</div>;

}

console.log(1);