Java script is like an angry girlfriend who won't tell you what is wrong.
This shit happened today.

Me: somearray.includes[stuff];
JS: I'm alright everything is fine.
Me: no it's not, Clearly the feature is not working.
JS:* silence*
Me: Fine be that way.. * spends lot of time debugging finally finds the issue*...oh shit.
Me: somearray.includes(stuff);
JS: I SAID NO TRAILING SPACE IN END OF THE LINE YOU STUPID PIECE OF SHIT NO TRAILING FUCKING SPACES AAAAHHHH!!!