今月のカレンダー

gistfile1.js

onload = function () {
    var now = new Date();
    var y = now.getFullYear(); 
    var m = now.getMonth();
    document.write(y+'年'+m+'月<br>');
    for (i=1;i<=31;i++) {
        var check = new Date(y, m, i);
         if (check.getMonth() == m) {
             var d = document.createTextNode(i);
             document.body.appendChild(d);
             if (i % 7 == 0) {
                 var b = document.createElement('br');
                 document.body.appendChild(b);
             }
        }
    }
}