回答編集履歴
3
調整版
test
CHANGED
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@@ -211,3 +211,137 @@
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</div>
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```
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# 調整版
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```javascript
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<script>
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'use strict';
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var current_d=0;
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var prev_d=0;
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window.addEventListener('DOMContentLoaded', ()=>{
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const timer = document.querySelector('#timer');
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const start = document.querySelector('#start');
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const stop = document.querySelector('#stop');
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const reset = document.querySelector('#reset');
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const mintus = document.querySelector('#mintus');
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const math = document.querySelector('#sum');
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const sum_account = document.querySelector('#sum_account');
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let timerId;
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stop.disabled=true;
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const format_time=(d)=>{
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const m = parseInt(d/60/1000).toString().padStart(2, '0');
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const s = (parseInt(d/1000)%60).toString().padStart(2, '0');
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const ms = (d%1000).toString().padStart(3, '0');
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return `${m}:${s}.${ms}`;
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};
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start.addEventListener('click',()=>{
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var now=new Date();
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start.disabled=true;
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stop.disabled=false;
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reset.disabled=true;
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timerId=setInterval(()=>{
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current_d=new Date().getTime()-now.getTime()+prev_d;
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timer.textContent=format_time(current_d);
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},10);
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});
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stop.addEventListener('click',()=>{
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start.disabled=false;
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stop.disabled=true;
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reset.disabled=false;
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clearInterval(timerId);
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prev_d=current_d;
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});
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reset.addEventListener('click',()=>{
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current_d=0;
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prev_d=0;
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timer.textContent=format_time(current_d);
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});
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math.addEventListener('click',()=>{
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const m=parseInt(mintus.options[mintus.selectedIndex].textContent);
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sum_account.textContent=format_time(m*60*1000-current_d);
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});
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});
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</script>
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<div id="timer">00:00.000</div>
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<button id="start">Start</button>
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<button id="stop">Stop</button>
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<button id="reset">Reset</button>
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<select name="mintus" id ="mintus">
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<option value="time_1">30</option>
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<option value="time_2">60</option>
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<option value="time_3">90</option>
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</select>
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<div>
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<button id="sum">計算</button>
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<div id="sum_account" ></div>
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</div>
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```
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2
chousei
test
CHANGED
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@@ -8,7 +8,7 @@
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8
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'use strict';
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10
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var d;
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var d=new Date(0);
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window.addEventListener('DOMContentLoaded', ()=>{
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@@ -38,7 +38,7 @@
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function format_time(d){
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const m = String(d.getMinutes()).padStart(2, '0');
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const m = String(d.getMinutes()+(d.getHours()-9)*60).padStart(2, '0');
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const s = String(d.getSeconds()).padStart(2, '0');
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1
chosei
test
CHANGED
|
@@ -108,9 +108,7 @@
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const m = parseInt(mintus.options[mintus.selectedIndex].textContent);
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console.log(mintus.value);
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const result1 = d;
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const result1 = new Date(d.getTime());
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result1.setMinutes(m-result1.getMinutes());
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