syntax-error

I am trying to use async/await in NodeJS but my script is throwing a syntax error. I was under the impression that async/await is supported naively since Node 7.6 . When I run node -v I get v7.10.0 . Here is the contents of index.js : async function getValueAsync() { return new Promise(function(resolve) { resolve('foo'); }); } let value = await getValueAsync(); console.log(value); But when I invoke this script with node index.js I get: let value = await getValueAsync(); ^^^^^^^^^^^^^ SyntaxError: Unexpected identifier at createScript (vm.js:53:10) at Object.runInThisContext (vm.js:95:10) at

This question already has an answer here: Is there any difference between the `:key => “value”` and `key: “value”` hash notations? 5 answers According to The Well Grounded Rubyist : Ruby allows a special form of symbol representation in the hash-key position, with the colon after the symbol instead of before it and the hash separator arrow removed. In other words, this: hash = { :name => "David", :age => 49 } can also be written like this: hash = { name: David, age: 49 } I have tried the preceding code in ruby 1.8.7 and 1.9.2 - It is not working. What am I doing wrong? The new hash syntax in