【実践課題D】 

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
</head>
<body>
<table border="1">
<tr><th>添字</th><th>a</th><th>b</th><th>axbを計算</th></tr>
<script>
var a=[5,12,18], b=[33,14,65];

for(c=0;c<3;c++){
document.write("<tr><td>"+c+"</td><td>"+a[c]+"</td><td>"+b[c]+"</td><td><button onClick=\"kotae("+c+")\">計算結果</button></td></tr>"); }

function kotae(i){ alert(a[i]*b[i]); }

</script>
</table>
</body>
</html>