实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
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<!DOCTYPE html>
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<html>
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<body>
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​
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<script>
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var firstname;
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firstname="Hege";
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document.write(firstname);
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document.write("<br>");
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firstname="Tove";
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document.write(firstname);
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</script>
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​
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<p>The script above declares a variable,
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assigns a value to it, displays the value, changes the value,
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and displays the value again.</p>
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​
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</body>
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</html>
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​
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​
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