javascript operators wrapped in functions so you can refer to them by name

operators.js

op = {
	"!!": function(x) { return !!x; },
	"!": function(x) { return !x; },
	"&&": function(x, y) { return x && y; },
	"||": function(x, y) { return x || y; },

	"~": function(x) { return ~x; },
	"negative": function(x) { return -x; },

	"+": function(x, y) { return x + y; },
	"-": function(x, y) { return x - y; },
	"/": function(x, y) { return x / y; },
	"%": function(x, y) { return x % y; },
	"*": function(x, y) { return x * y; },
	"&": function(x, y) { return x & y; },
	"|": function(x, y) { return x | y; },
	"^": function(x, y) { return x ^ y; },
	"<<": function(x, y) { return x << y; },
	">>": function(x, y) { return x >> y; },
	">>>": function(x, y) { return x >>> y; },

	"==": function(x, y) { return x == y; },
	"!=": function(x, y) { return x != y; },
	"===": function(x, y) { return x === y; },
	"!==": function(x, y) { return x !== y; },
	">": function(x, y) { return x > y; },
	"<": function(x, y) { return x < y; },
	">=": function(x, y) { return x >= y; },
	"<=": function(x, y) { return x <= y; },

	"typeof": function(x) { return typeof x; },
	"in": function(x, y) { return x in y; },
	"instanceof": function(x, y) { return x instanceof y; }
};

// english aliases?
op["truth"] = op['!!'];
op["not"] = op['!'];
op["and"] = op['&&'];
op["or"] = op['||'];
op["plus"] = op['+'];
op["minus"] = op['-'];
op["divided by"] = op['/'];
op["times"] = op['*'];
op["modulo"] = op['%'];
op["equals"] = op['==='];
op["does not equal"] = op['!=='];
op["greater than"] = op[">"];
op["less than"] = op["<"];
op["not greater than"] = op["<="];
op["not less than"] = op[">="];
op["contains"] = function(x, y) { return y in x; },