People have documented this many times. It boils down to surprising features of the language. http://johnkpaul.github.io/presentations/empirejs/javascript-bad-

People have documented this many times. It boils down to surprising features of the language. http://johnkpaul.github.io/presentations/empirejs/javascript-bad-parts http://johnkpaul.github.io/presentations/empirejs/javascript... https://speakerdeck.com/felixge/javascript-the-bad-parts https://speakerdeck.com/felixge/javascript-the-bad-parts