[citeguised]

"Things like knowing the box model, closures, map/filter/reduce, object vs array, prototypes, bind/call/apply, event delegation. These made up almost ever single first phone screen interview I’ve ever had."

Seems pretty hefty for a junior-frontend-position.

[maxehnert]

You're right, I should have been more clear. I wasn't applying for junior positions anymore but most of the technique is what I did the last time I applied for jobs when I was looking for more junior positions.

[leshow]

really? this to me just seems like knowing the language you're going to be working with every day. If you don't understand these concepts, how could you be an effective developer?