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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<head>
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    <title>Function Example 4</title>
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    <script type="text/javascript">
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        function sayHi(name, message) {
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            return;
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            alert("Hello " + name + ", " + message);    //never called
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        }
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        sayHi("Nicholas", "how are you today?");
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    </script>
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</head>
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<body>
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</body>
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</html>