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| var a=1;
function one(){ alert(a); }
function two(a){ alert(a); }
function three(){ var a = 3; alert(a); }
function four(){ if(true){ var a=4; }
alert(a); }
function Five(){ this.a = 5; }
var six = function(){ var foo = 6;
return function(){ alert(foo); } }()
function Seven(){ this.a = 7; }
Seven.prototype.a = -1; Seven.prototype.b = 8;
one(); two(2); three(); four(); alert(new Five().a); six(); alert(new Seven().a); alert(new Seven().b);
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