How to group substrings in regular expressions without capturing them. Say hello to non-capturing groups.
Object.is is a better alternative to ===. Let's have a look at why!
When a browser receives an HTML document, it creates the Document Object Model (DOM) which is a tree representation of the document. There are various methods to access DOM elements and they all return different things.
I never had to use the lookahead feature in regular expressions but today I had a look and digged deeper.