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##JavaScript, 74 bytes
x=typeof x!=typeof 1?10:x!=1?x-=1:_
l=localStorage;l.a=typeof l.a!=typeof""?10:l.a!=1?l.a=--l.a:_;alert(l.a)
##JavaScript, 9474 bytes
l=localStorage;l.a=typeof l.a!=typeof""?10:parseInt(l.a)!=1?l.a=parseInt(a=--l.a)-1:_;alert(l.a)
##JavaScript, 94 bytes
l=localStorage;l.a=typeof l.a!=typeof""?10:parseInt(l.a)!=1?l.a=parseInt(l.a)-1:_;alert(l.a)
##JavaScript, 8194 bytes
l=localStorage;l.a=typeof l.a!=typeof""?10:parseInt(l.a)!=1?l.a=parseInt(l.a)-1:__;alert(l.a)
##JavaScript, 81 bytes
l=localStorage;l.a=typeof l.a!=typeof""?10:parseInt(l.a)!=1?l.a=parseInt(l.a)-1:_
