css样式:
<style>
table {
border-collapse: collapse;
}
tr {
height: 30px;
}
td {
width: 50px;
border: 2px solid lightblue;
}
</style>
js代码:
<script>
document.write('<table>');
for (i = 0; i < 10; i++) {
document.write('<tr>');
for (j = 1; j < i; j++) {
document.write('<td>');
sum = i * j;
document.write(j + 'x' + i + '=' + i * j + ' ');
}
document.write('</td>');
}
document.write('</tr>');
document.write('</table>');
</script>
九九乘法表效果图: