vjeux/1.js

## 1.js
x = '/x/'
/x/==x

## 2.js
i = 0; x = function () { if (i++ > 4) { return true; } return x; }
x() === x()() === x()()()

## 3.js
i = 0; x = { valueOf: function () { return i++ ? 1 : 3; } }
x > 2 && x < 2

## 4.js
delete x.a && x.a;

## 5.js
x = { toString: function() { return 0; } }; x[0] = x
x[x]==x

## 6.js
typeof new x < typeof x

## 7.js
x = Math.pow(2, 54)
x - 1 === x + 1
	i = 0; x = function () { if (i++ > 4) { return true; } return x; }
	x() === x()() === x()()()
	i = 0; x = { valueOf: function () { return i++ ? 1 : 3; } }
	x > 2 && x < 2