Omit trailing comma in object literal properties #271
Description
Object literal with trailing commas, e.g.:
var x = {
a: 1,
b:2,
}emit the comma in the generated js:
var x = {
a: 1,
b:2,
}This is invalid ES3, and will break in CScript for instance:
cscript d:\test.js
Microsoft (R) Windows Script Host Version 5.8
Copyright (C) Microsoft Corporation. All rights reserved.
d:\test.js(4, 1) Microsoft JScript compilation error: Expected identifier, string or number