write()和writeln()之间的差异

<p>注意write()方法不会在每个语句后面新增一行：</p>

<pre>

  <script>

    document.write("Hello World!");

    document.write("Have a nice day!");

  </script>

</pre>

<p>注意writeln()方法在每个语句后面新增一行：</p>

<pre>

  <script>

    document.writeln("Hello World!");

    document.writeln("Have a nice day!");

  </script>

</pre>