99乘法表

function click99(){
var str = "";

for(var i = 1; i < 10; i++){
for(var n = 1; n <= i; n++){
str += i + "*" + n + "=" + i * n + " ";
}
str += "\n";
}

console.log(str);

99乘法表

原文：http://www.cnblogs.com/wylbgp/p/6654125.html