How to secure a string (unicode)?

Question

JavaScript

When generating the sitemap (XML), I got an error in this line
'Hel\u0010lo I am Vasya.'
Problem in \u0010
I tried to read the issue, I didn’t understand anything with Unicode)
https://github.com/oozcitak/xmlbuilder-js/issues/147
https://github. com/oozcitak/xmlbuilder-js/issues/203
How to clear a line from this muck? Not just a replacement for \u0010, but in general from all such cases. Some sort of bible like sanityza?