jquery - XSS prevention - jqencoder - canonicalize more than once? -

i'm using jquery plugin prevent xss attacks. called jquery-encoder

https://github.com/chrisisbeef/jquery-encoder

there series of functions canonicalize - ation used multiple times.

is safe canonicalize data more once? read somewhere on owasp not preferred , can lead risks.

thanks, appreciated!

-dkavathe