Opening a file in the HTML editor involves
在 HTML 编辑器中打开文件需要执行以下操作
The twos form a "safe" method for opening a file where a failure is a normal, expected condition.
这两个函数形成一个安全方式打开文件,此时失败是通常的、可预料的情况。
While this simple example of opening a file is still pretty understandable, things have definitely gotten more complicated.
这个简单的例子中,打开文件的代码还是容易理解的,不过接下来事情就很明显地变得愈来愈复杂了。
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