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October 18, 2015 09:36
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JavaScript Promise Sample
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <link href="js/vender/bootstrap-3.3.5-dist/css/bootstrap.css" rel="stylesheet"> | |
| <title>Promise Sample</title> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <h3>Promise Sample</h3> | |
| <div class="row"> | |
| <div class="input-group"> | |
| <label class="col-sm-7">Resolve Time(seconds):</label> | |
| <input class="col-sm-5" type="number" id="resolveTime"> | |
| </div> | |
| <div class="input-group"> | |
| <label class="col-sm-7">Reject Time(seconds):</label> | |
| <input class="col-sm-5" type="number" id="rejectTime"> | |
| </div> | |
| <button class="btn btn-primary" id="startPromise">Start Promise</button> | |
| <h3>Result</h3> | |
| <div id="result"> | |
| <ol> | |
| </ol> | |
| </div> | |
| </div> | |
| </div> | |
| <script src="js/vender/jquery-1.11.3.min.js"></script> | |
| <script src="js/vender/bootstrap-3.3.5-dist/js/bootstrap.js"></script> | |
| <script src="js/sample.js"></script> | |
| </body> | |
| </html> |
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| 'use strict'; | |
| (function(){ | |
| var startBtn = document.getElementById('startPromise'); | |
| startBtn.addEventListener('click', function(){ | |
| var resolveTime = document.getElementById('resolveTime').value; | |
| var rejectTime = document.getElementById('rejectTime').value; | |
| var promise = new Promise(function(resolve, reject){ | |
| if (resolveTime <= rejectTime) { | |
| // resolve Timeの方が短いので、resolveを呼び出す | |
| window.setTimeout(function(){ | |
| var values = {val:'resolved', sec:resolveTime}; | |
| resolve(values); | |
| }, resolveTime * 1000); | |
| } else { | |
| // reject Timeの方が短いので、rejectを呼び出す | |
| window.setTimeout(function(){ | |
| var reasons = {reason:'rejected', sec:rejectTime}; | |
| reject(reasons); | |
| }, rejectTime * 1000); | |
| } | |
| }); | |
| var result = document.getElementById('result'); | |
| promise.then(function(values){ | |
| result.insertAdjacentHTML('afterend', | |
| '<li class="text-success"> after ' + values.sec + ' seconds[' + values.val + ']</li>'); | |
| }, function(reasons){ | |
| result.insertAdjacentHTML('afterend', | |
| '<li class="text-warning"> after ' + reasons.sec + ' seconds[' + reasons.reason + ']</li>'); | |
| }); | |
| }); | |
| }()); | |
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