9*9|表格
document.write('<table border="1" frame="void">');
for(var a=1;a< 10;a++){
document.write('<tr>');
for(var b=1;b< 10; b++){
var c = a * b;
document.write( '<td>'+a + '*' + b +'=' +c+'</td>');
}
document.write('</tr>');
}
document.write('</table>');
9*9表格
9*9|直角三角形
document.write('<table border="1" frame="void">');
for (var a = 1; a < 10; a++) {
document.write("<tr>");
for (var b = 1; b <= a; b++) {
var c = a * b;
document.write("<td>" + a + "*" + b + "=" + c + "</td>");
}
document.write("</tr>");
}
document.write("</table>");
9*9直角三角形
9*9|金字塔
for (var a = 1; a <= 9; a++) {
document.write("<div>");
for (var non = 1; non <= 10 - a; non++) {
document.write("      ");
}
for (var b = 1; b <= a; b++) {
var c = a * b;
document.write(a + "*" + b + "=" + c + " ");
}
document.write("</div>");
}
document.write("</div>");
9*9金字塔
