java - How to check client side javascript errors through nodejs? -

i need test around 30 40 websites. checking if there client-side javascript errors, manually hit websites in browser , monitor in console see javascript errors.

is there way can automate testing process using nodejs? there way validate if page has javascript errors?

you can create file js has below , push websites.

window.onerror = function(message, url, number){     // send data node.js server via ajax     $.post("http://yourdomain.com/errorhandler", {"msg": message, "url": url, "linenumber": number}, function(data){         // code removed brevity     }); } 

you can @ thread more information: javascript global error handling