$ npm install html-validate-unbalancedSpot unbalanced tag pairs, like
<div><span>foo<span></div>
This module is undergoing heavy testing and is likely to be broken. Please open issues with the exact html for which it misbehaved.
var validate = require('html-validate-unbalanced');
process.stdin
.pipe(validate())
.on('warning', AAAAHA)
.pipe(process.stdout);
$ npm install html-validate-unbalanced
MIT