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。
A tag is said to be nested when it is completely surrounded by another tag: no special setup or coding is required to put one tag within another.
当一个标记完全被另一个标记包围时，就说它是嵌套的。将一个标记置于另一个标记之内无需特殊的设置或编码。
A tag is said to be nested when it is completely surrounded by another tag: no special setup or coding is required to put one tag within another.
当一个标记完全被另一个标记包围时，就说它是嵌套的。将一个标记置于另一个标记之内无需特殊的设置或编码。
应用推荐