Update at 2018.10.31 This bug has been fixed in iOS 12.1, have a good day~ I found a problem with Array's value state in the newly released iOS 12 Safari, for example, code like this: <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> <title>iOS 12 Safari bugs</title> <script type="text/jav