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ReduxQuest
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| body { | |
| display: flex; | |
| flex-direction: column; | |
| justify-content: center; | |
| } | |
| p, button { | |
| font-size: 2em; | |
| margin: 0.2em; | |
| padding: 0.25em 0.5em; | |
| } | |
| button { | |
| background: #eee; | |
| border: 1px solid #eee; | |
| border-radius: 5px; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
| <title>Counter Redux</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <!-- Redux CDN --> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/redux/4.0.1/redux.min.js"></script> | |
| </head> | |
| <body> | |
| <!-- Render the store --> | |
| <p id="counter"></p> | |
| <button id="add">Add1</button> | |
| <button id="remove">Remove1</button> | |
| <button id="addTen">Add10</button> | |
| <button id="removeTen">Remove10</button> | |
| <button id="reset">Reset</button> | |
| </body> | |
| </html> |
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| function counter(state=0, action) { | |
| switch (action.type) { | |
| case 'ADD': | |
| return state + 1 | |
| break; | |
| case 'REMOVE': | |
| return state - 1 | |
| break; | |
| case 'ADDTEN': | |
| return state + 10 | |
| break; | |
| case 'REMOVETEN': | |
| return state - 10 | |
| break; | |
| case 'RESET': | |
| return 0 | |
| break; | |
| default: | |
| return state; | |
| } | |
| } | |
| // STORE | |
| let store = Redux.createStore(counter); | |
| // MAIN | |
| function render() { | |
| document.querySelector('#counter').innerText = store.getState(); | |
| } | |
| store.subscribe(render); | |
| render(); | |
| document.querySelector('#add').addEventListener('click', () => { | |
| store.dispatch({type: 'ADD'}); | |
| }); | |
| document.querySelector('#remove').addEventListener('click', () => { | |
| store.dispatch({type: 'REMOVE'}); | |
| }); | |
| document.querySelector('#addTen').addEventListener('click', () => { | |
| store.dispatch({type: 'ADDTEN'}); | |
| }); | |
| document.querySelector('#removeTen').addEventListener('click', () => { | |
| store.dispatch({type: 'REMOVETEN'}); | |
| }); | |
| document.querySelector('#reset').addEventListener('click', () => { | |
| store.dispatch({type: 'RESET'}); | |
| }); |
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