Created
February 23, 2016 04:37
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<!DOCTYPE html> | |
<head> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/redux/3.3.1/redux.js"></script> | |
<script src="https://code.jquery.com/jquery-2.2.0.min.js"></script> | |
</head> | |
<body> | |
Current Count: <span id="current-count"></span> | |
<div> | |
<button class="increment">+</button> | |
<button class="decrement">-</button> | |
</div> | |
<script> | |
// declare the counter reducer | |
function counter(state, action) { | |
if (typeof state === 'undefined') { | |
return 0; | |
} | |
switch (action.type) { | |
case 'INCREMENT_COUNTER': | |
return state + 1; | |
case 'DECREMENT_COUNTER': | |
return state - 1; | |
default: | |
return state; | |
} | |
} | |
// declare the render function | |
function render() { | |
$('#current-count').html(store.getState()); | |
} | |
// create the store using Redux's global variable, and pass in the reducer | |
var createStore = Redux.createStore; | |
var store = createStore(counter); | |
// output the current state | |
console.log(store.getState()); | |
// call render once to set initial state to 0 | |
render(); | |
// call render again, each time an action is dispatched | |
store.subscribe(render); | |
// dispatch action to increment | |
$('.increment').on('click', function() { | |
store.dispatch({type: 'INCREMENT_COUNTER'}); | |
}); | |
// dispatch action to decrement | |
$('.decrement').on('click', function() { | |
store.dispatch({type: 'DECREMENT_COUNTER'}); | |
}); | |
</script> | |
</body> |
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