Created
June 3, 2019 12:53
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Javascript Redux
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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="render-store"></p> | |
<button id="add">+</button> | |
<button id="remove">-</button> | |
<button id="add10">+10</button> | |
<button id="remove10">-10</button> | |
<script src="main.js"></script> | |
</body> | |
</html> |
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const addAction = { | |
type: 'ADD', | |
}; | |
const removeAction = { | |
type: 'REMOVE', | |
}; | |
const add10 = { | |
type: 'ADD10', | |
}; | |
const remove10 = { | |
type: 'REMOVE10' | |
}; | |
const counterReducer = (state = 0, action) => { | |
switch (action.type) { | |
case 'ADD': | |
return state + 1; | |
case 'REMOVE': | |
return state - 1; | |
case 'ADD10': | |
return state + 10; | |
case 'REMOVE10': | |
return state - 10; | |
default: | |
return state; | |
} | |
} | |
const { createStore } = Redux; | |
const store = createStore(counterReducer); | |
const renderStore = document.getElementById('render-store'); | |
const render = () => { | |
renderStore.innerHTML = store.getState(); | |
} | |
store.subscribe(render); | |
render(); | |
const add = document.getElementById('add'); | |
add.addEventListener('click', () => { | |
store.dispatch(addAction) | |
}); | |
const remove = document.getElementById('remove'); | |
remove.addEventListener('click', () => { | |
store.dispatch(removeAction) | |
}); | |
const addsup = document.getElementById('add10'); | |
addsup.addEventListener('click', () => { | |
store.dispatch(add10) | |
}); | |
const removesup = document.getElementById('remove10'); | |
removesup.addEventListener('click', () => { | |
store.dispatch(remove10) | |
}); |
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