Whether to escape "/" (forward slash, solidus).
Escaping a slash is recommended to avoid cross-site scripting attacks by the Open Web Application Security Project
final bool escapeSlash
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.5.0/dart-convert/HtmlEscapeMode/escapeSlash.html