{# #}
编辑下面的代码:【加编码】
<html> <body> <script> var firstname; firstname="Hege"; document.write(firstname); document.write("<br>"); firstname="Tove"; document.write(firstname); </script> <p>The script above declares a variable, assigns a value to it, displays the value, changes the value, and displays the value again.</p> </body> </html>
结果: 【此窗口】 帮助?
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