ES6 and ServiceNow (const, let and var)

[Jamison Cote2]

Why does 'const' get processed but 'let' does not?

Both are supported in ES6 and not in ES5. The following are run in a background script.

For example:

const object1 = {
a: 'somestring',
b: 42,
c: false
};

Prints: 

*** Script: a,b,c

Yet, 

let object1 = {
a: 'somestring',
b: 42,
c: false
};

Prints: 

Javascript compiler exception: let is an ECMAScript 6 feature - not supported (null.null.script; line 1) in:
let object1 = {
  a: 'somestring',
  b: 42,
  c: false
};

The assumption here is that 'const' would not get processed by the JS engine as it's a part of ES6 functionality which is not supported by ServiceNow.
Thoughts?

[jh1006]

This is ridiculous. The last year I've had to develop in the Global scope and I have to ignore our existing coding standards. Is there any talks on upgrading the base of SN to ES6 at the very least?