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December 2, 2019 14:44
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Redux - Un compteur avec Redux et JavaScript - Wild Code School
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| <!DOCTYPE html> | |
| <html lang="fr"> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0" /> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge" /> | |
| <title>Redux Counter</title> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/redux/4.0.1/redux.min.js"></script> | |
| </head> | |
| </head> | |
| <body> | |
| <main> | |
| <p id="render-store"></p> | |
| <button id="add">+1</button> | |
| <button id="remove">-1</button> | |
| <button id="addTen">+10</button> | |
| <button id="removeTen">-10</button> | |
| <button id="reset">reset</button> | |
| <script src="main.js"></script> | |
| </main> | |
| </body> | |
| </html> |
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| /*actions*/ | |
| const addAction = { | |
| type: "ADD" | |
| }; | |
| const removeAction = { | |
| type: "REMOVE" | |
| }; | |
| const addTenAction = { | |
| type: "ADDTEN" | |
| }; | |
| const removeTenAction = { | |
| type: "REMOVETEN" | |
| }; | |
| const addResetAction = { | |
| type: "RESET" | |
| }; | |
| /*reducers*/ | |
| const counterReducer = (state = 0, action) => { | |
| switch (action.type) { | |
| case "ADD": | |
| return state + 1; | |
| case "REMOVE": | |
| return state - 1; | |
| case "ADDTEN": | |
| return state + 10; | |
| case "REMOVETEN": | |
| return state - 10; | |
| case "RESET": | |
| return (state = 0); | |
| default: | |
| return state; | |
| } | |
| }; | |
| /*store*/ | |
| const { createStore } = Redux; | |
| const store = createStore(counterReducer); | |
| /*main*/ | |
| 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 addTen = document.getElementById("addTen"); | |
| addTen.addEventListener("click", () => { | |
| store.dispatch(addTenAction); | |
| }); | |
| const removeTen = document.getElementById("removeTen"); | |
| removeTen.addEventListener("click", () => { | |
| store.dispatch(removeTenAction); | |
| }); | |
| const reset = document.getElementById("reset"); | |
| reset.addEventListener("click", () => { | |
| store.dispatch(addResetAction); | |
| }); |
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