Type the code in Listing 2 into an HTML file, load the file in your browser, and click the Say Hello button for the result shown in Figure 2.

将清单2中的代码输入到一个HTML文件，在浏览器内加载该文件，单击SayHello按钮，结果如图2所示。

youdao

Type the code in Listing 2 into an HTML file, load the file in your browser, and click the Say Hello button for the result shown in Figure 2.

将清单2中的代码输入到一个HTML文件，在浏览器内加载该文件，单击SayHello按钮，结果如图2所示。

youdao