Hey There! ?? Here are the past week's #sketchnotes that I created for my 'You Don't know JS' series that I post on twitter: This one shows how scope is treated differently for variables declared using var and let:...

Hey There! ?? If you are like me and have spent most of your recent years coding in Javascript you definitely have come across this conundrum: There is this array and you want to do an operation on it to get a transformed version. You know there exi...