class ExecJS::Runtime::Context

context.call("CoffeeScript.compile", "1 + 1")
context.call("function(a, b) { return a + b }", 1, 1) # => 2

The function will be evaluated with the global object as +this+.
+function+), and calls the function with the given arguments.
Evaluates +source+ as an expression (which should be of type

def call(source, *args)
  raise NotImplementedError
end

context.eval("return 1") # => Raises SyntaxError
context.eval("1") # => 1

Evaluates the +source+ as an expression and returns the result.

def eval(source, options = {})
  raise NotImplementedError
end

context.exec("1") # => nil (nothing was returned)
context.exec("return 1") # => 1

returned value.
Evaluates the +source+ in the context of a function body and returns the

def exec(source, options = {})
  raise NotImplementedError
end

def initialize(runtime, source = "", options = {})
end