<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>while循环控制</title>
</head>
<body>
<script>
function table(options = { tr: 5, td: 3 }) {
document.write(`
<table border="1" width="100%">
`);
let tr = options.tr;
while (tr-- != 0) {
document.write(`<tr>`);
let td = options.td;
while (td-- != 0) {
document.write(`<td>${td}</td>`);
}
document.write(`</tr>`);
}
document.write(`
</table>
`);
}
table({ tr: 20, td: 10 });
</script>
</body>
</html>
