Quoting Strings with Single Quotes not understanding

Tell us what’s happening:

Your code so far


var myStr = "<a href=\"http://www.example.com\" target=\"_blank\">Link</a>";


Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/javascript-algorithms-and-data-structures/basic-javascript/quoting-strings-with-single-quotes

what do you not understand? please tell us what’s happening