Created
May 8, 2017 17:20
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Omer's Workshop</title> | |
| <script src="https://unpkg.com/redux@latest/dist/redux.min.js"></script> | |
| </head> | |
| <body> | |
| <div> | |
| <p> | |
| Counter: <span id="value">0</span> times | |
| <button id="increment">+</button> | |
| <button id="decrement">-</button> | |
| <button id="incrementIfOdd">Increment if odd</button> | |
| <button id="incrementAsync">Increment async</button> | |
| </p> | |
| </div> | |
| <script> | |
| const valueEl = document.getElementById('value') | |
| function counter(state = 0, action) { | |
| switch (action.type) { | |
| case 'INCREMENT': | |
| return state + 1 | |
| case 'DECREMENT': | |
| return state - 1 | |
| default: | |
| return state | |
| } | |
| } | |
| const store = Redux.createStore(counter) | |
| function render() { | |
| valueEl.innerHTML = store.getState().toString() | |
| } | |
| render() | |
| store.subscribe(render) | |
| document.getElementById('increment') | |
| .addEventListener('click', function () { | |
| store.dispatch({ type: 'INCREMENT' }) | |
| }) | |
| document.getElementById('decrement') | |
| .addEventListener('click', function () { | |
| store.dispatch({ type: 'DECREMENT' }) | |
| }) | |
| document.getElementById('incrementIfOdd') | |
| .addEventListener('click', function () { | |
| if (store.getState() % 2 !== 0) { | |
| store.dispatch({ type: 'INCREMENT' }) | |
| } | |
| }) | |
| document.getElementById('incrementAsync') | |
| .addEventListener('click', function () { | |
| setTimeout(function () { | |
| store.dispatch({ type: 'INCREMENT' }) | |
| }, 1000) | |
| }) | |
| </script> | |
| </body> | |
| </html> |
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