readme updates

README.md

@@ -6,3 +6,9 @@ This is an experimental Javascript lexer, parser and Just-in-Time compiler writt
 
 
 This project is an attempted rewrite of Bebbington's js.rs and will look very, very similar to it for a while. As that repo has not been touched in a long time a lot of the Rust is out-of-date so a lot of things are probably in error by today's standards
+
+#### Usage
+* Checkout this project
+* Build `cargo build`
+* `cargo run`
+* You can make changes to tests/js/defineVar.js and build again

src/bin/bin.rs

@@ -12,7 +12,6 @@ pub fn main() {
 
     // Setup executor
     let expr = Parser::new(tokens).parse_all().unwrap();
-    println!("{}", expr);
 
     let mut engine: Interpreter = Executor::new();
     let result = engine.run(&expr);

tests/js/defineVar.js

@@ -1,2 +1,2 @@
-var b = 'Jason';
-typeof b;
+var b = [1, 2, 3];
+b[1];