質問編集履歴
2
再修正した
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File without changes
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test
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@@ -50,7 +50,7 @@
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##
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## 再修正
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@@ -60,11 +60,11 @@
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const start_time = new Date(document.getElementById('start_time').dataset.time);
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const countdown = () => {
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const current_time = new Date(document.getElementById('current_time').dataset.time);
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var diff = start_time - current_time;
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const countdown = () => {
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if (diff <= 0) {
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1
変更点の追記
test
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test
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@@ -47,3 +47,53 @@
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47
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カウントダウンを出しているviewにTime.currentを置いたのですが、毎秒とることができないので詰まっています。
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どなたかご教授お願いします。
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##変更点
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```
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// start_timeとcurrent_timeはviewから取っています。
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60
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const start_time = new Date(document.getElementById('start_time').dataset.time);
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const current_time = new Date(document.getElementById('current_time').dataset.time);
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65
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var diff = start_time - current_time;
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66
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const countdown = () => {
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if (diff <= 0) {
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alert('セール開始です！');
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}
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const diff_sec = Math.floor(diff / 1000) % 60;
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const diff_min = Math.floor(diff / 1000 / 60) % 60;
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const diff_hour = Math.floor(diff / 1000 / 60 / 60) % 24;
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const diff_day = Math.floor(diff / 1000 / 60 / 60 / 24);
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document.getElementById('min').textContent = String(diff_min).padStart(2, '0');
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document.getElementById('sec').textContent = String(diff_sec).padStart(2, '0');
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document.getElementById('hour').textContent = String(diff_hour).padStart(2, '0');
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document.getElementById('day').textContent = String(diff_day).padStart(2, '0');
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diff --;
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setTimeout(countdown, 1000);
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}
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countdown();
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```
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