JavaScript - A Quick Dip into Javascript: Getting your feet wet(while loop, conditional test, boolean expression, code block)

Head First JavaScript Programming
( O'Reilly Media)
Eric T. Freeman (著), Elisabeth Robson (著)

開発環境

• OS X Mavericks - Apple(OS)
• Safari, Firefox + Firebug, Google Chrome(Webプラウザ、プラグイン)
• BBEdit - Bare Bones Software, Inc. (GUI) , Emacs (CUI) (Text Editor)
• JavaScript (プログラミング言語)

Head First JavaScript Programming (Eric T. Freeman (著)、 Elisabeth Robson (著)、 O'Reilly Media )のChapter 1(A Quick Dip into Javascript: Getting your feet wet)、CODE MAGNETS(p.24)を解いてみる。

CODE MAGNETS(p.24)

コード(BBEdit, Emacs)

// var name = 'Joe';
//     i = 0;

// while (i < 2) {
//     document.write('Happy Birth day to you.<br />');
//     i += 1;
// }
// document.write('Happy Birthday dear ' + name + ',<br />');
// document.write('Happy Birth day to you.<br />');

var result = '';
    name = 'Joe';
    i = 0;

while (i < 2) {
    result += 'Happy Birth day to you.\n';
    i += 1;
}
result += 'Happy Birthday dear ' + name + ',\n' +
          'Happy Birth day to you.\n';
print(result);