Two ways to write xml files under IE (fso/saveAs)_Basic knowledge

For security reasons, browsers such as Firefox do not support writing local files.
You can write xml files in the following ways under IE

Method 1: fso

Create text file
CreateTextFile (filename, overwrite, unicode)
filename: file name
overwrite: if the file exists, whether to overwrite it; the default is false
unicode: whether the content of the file is stored as unicode text; the default is false

Method 2: saveAs
embed a hidden iframe in the page,

Write xml content into iframe , save as file.

In addition, IE XMLDOM has a save method
prompting that there is no permission. I browsed the security policy settings of IE and found no place where permissions can be modified
The method should not be feasible.