I am summarising everything that I have learnt today. If you also want to go through the same topic, I believe the article links I am providing is one of the best on the web available for that topic.

• DOM tree basics :- java-script-info

• The essential guide to javascript Iterators (the for-of loop guide) :- javascriptutorial.net and Educative

• Walking through the DOM :- javascript-info . In this article, you may feel some problem at the last with the table properties. Just see the properties being used in the example, ignore others (we will search for them whenever needed, as we know what to search for).

• Searching element in DOM :- javascript-info

• Debugging javascript using chrome developer tools :- Google

• Best guide to debugging javascript for beginners I could find - link . In this everything is explained in a much simpler language.