ecmascript-2015

I'm trying to figure out whether some behavior I'm seeing in Node v4.1.1 (V8 v4.5.103.33) regarding super and arrow functions is specified behavior , and if so (or indeed, if not), where it is in the specification that it says it should (or should not) work in the various cases I have. In brief: Using super in an arrow function ( inner ) inside another arrow function ( outer ) inside a method works unless outer has arguments or variables inner references, even if inner references arguments or variables of method . I want to know what the spec says about that: Should it work all the time, even

This question already has an answer here: Backticks calling a function 2 answers I have a simple logging function: function log(str) { console.log('logged: ', str); } If I call it without parentheses (currently using Chrome's dev tools) and pass in a template string, like this: log`foo` The output is: logged: ["foo", raw: Array[1]] If I call it with parentheses, log(`foo`) The output is: logged: foo Why does calling a function using a template string an no parentheses work in Javascript? What is happening that causes the result to be different from calling it with parentheses? Sampson The