Revisa las demostraciones de la carpeta demos
introduction.js
dynamic_typing.js
variable_scoping_var.js
variable_scoping_bad.js
variable_scoping_good.js
variable_scoping_hoisting.js
variable_scoping_let_ReferenceError.js
variable_scoping_let_pass.js
numbers.js
strings.js
booleans.js
undefined_null.js
function_type.js