I mean that one is pretty easy; 'a1null' , first thing is a string so it'll try to concatenate with 1, coerce 1 to a string and get 'a1' then same thing will nu

I mean that one is pretty easy; 'a1null' , first thing is a string so it'll try to concatenate with 1, coerce 1 to a string and get 'a1' then same thing will null. Makes perfect sense ;p