回答編集履歴
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変更前のコードも追記
test
CHANGED
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@@ -1,3 +1,51 @@
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変更前
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```JavaScript
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// 初期化
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var hour = 0;
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var min = 0;
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var sec = 0;
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var now = 0;
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var datet = 0;
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function disp(){
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now = new Date();
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datet = parseInt((now.getTime() - s) / 1000);//現在時刻-s(下部「開始時刻取得」の行のS)
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hour = parseInt(datet / 3600);
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min = parseInt((datet / 60) % 60);
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sec = datet % 60;
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// 数値が1桁の場合、頭に0を付けて2桁で表示する指定
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if(hour < 10) { hour = "0" + hour; }
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if(min < 10) { min = "0" + min; }
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if(sec < 10) { sec = "0" + sec; }
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var timer1 = hour + ':' + min + ':' + sec;
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document.form1.field1.value = timer1;
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setTimeout("disp()", 1000);
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}
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```
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変更後↓
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```JavaScript
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function startTimer(start) {
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@@ -36,7 +84,21 @@
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```
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呼び出し側
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変更前
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```JavaScript
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(async()=>{
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const s=new Date().getTime();//開始時刻取得
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```
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変更後↓
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```JavaScript
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@@ -48,7 +110,21 @@
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```
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おまけ
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変更前
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```JavaScript
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const name=prompt("お名前を入力してください。");//promptにユーザー名の登録
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if(name=="") name="UnKnown";//無記入の場合、Unknownとして登録
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```
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変更後↓
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```JavaScript
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