JS写九九乘法表

      function show(){
               for (var i = 1; i < 10; i++) {
                   for (var j = 1; j <= i; j++) {
                       document.getElementById('divmain').innerHTML += j + "*" +i + "=" + i * j + "\t";
                   }
                   document.getElementById('divmain').innerHTML += "<br/>";
               }
           }