Test

1.js

function foo(){
  bar()
  function bar(){
    console.log('bar1')
  }
}

function bar(){
  console.log('bar2')
}

foo()

proto1.js

function Foo(){
  this.bar = 2;
}
 
Foo.prototype.bar = 1;
 
var f = new Foo();
 
console.log(f.bar);

proto2.js

function Foo(){
  this.bar = 2;
}
 
Foo.prototype.bar = 1;
 
var f = new Foo();
 
delete f.bar;
 
console.log(f.bar);

proto3.js

function Foo(){
  this.bar.baz++;
}
 
Foo.prototype.bar = {
  baz: 10
};
 
new Foo();
new Foo();
new Foo();
var f = new Foo();
 
console.log(f.bar.baz);

sort.js

var a = [3, 123, 12, 45, 78, 12, 90, 45, 33, 82, 65, 35, 72, 19, 12, 16, 72, 39, 77, 44, 22, 11, 99];

a.sort(function(a, b){
 return a > b;
});

console.log(a);