If you put them inside the tag, no part of the page body will actually render until after the script has loaded and executed, giving the user the impression that your page is loading slowly.
如果将它们放在标记内部,只有到脚本加载并执行后,页面主体才会呈现,从而让用户觉得页面加载很慢。
The body of this tag will display on the page.
此标记的主体将显示在页面上。
After that, define the page layout in the body section of the HTML file (Listing 2).
此后,在HTML文件的脚本体部分定义页面布局(清单2)。
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