parser
tnpm install
var parser = require('../index');
var expression1 = '2>1&&3<5&&a>9';
var expression2 = 'input=="hello"';
var ast1 = parser.parse(expression1);
var ast2 = parser.parse(expression2);
console.log(parser.evaluate(ast1,{a:2}));
console.log(parser.evaluate(ast1,{a:11}));
console.log(parser.evaluate(ast2,{input:"hello"}));