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源码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<script>
var str="";
for (var i=1;i<=9;i++){
for (var j=1;j<=i;j++){
str+=j+'*'+i+'='+(i*j)+'\t';
}
str+='<br>'
}
document.write(str+'\t');
</script>
<script>
document.write('<table border="2">');
for (var k=1;k<=9;k++){
document.write('<tr>');
for (var m=1;m<=k;m++){
document.write('<td>');
document.write(m+'*'+k+'='+(k*m));
document.write('</td>');
}
document.write('</tr>');
}
document.write('</table>');
</script>
</body>
</html>