ent

Encode and decode HTML entities

example

var ent = require('ent');
console.log(ent.encode('<span>©moo</span>'))
console.log(ent.decode('&pi; &amp; &rho;'));

&lt;span&gt;&copy;moo&lt;/span&gt;
π & ρ

Escape unsafe characters in str with html entities.

Convert html entities in str back to raw text.

HTML entity tables shamelessly lifted from perl's HTML::Entities

With npm do:

npm install ent

perl