ECMAScript 2019 (ES10)

Features added in the 10th edition of ECMAScript

For more information see:

• Specification
• Feature support list
• Support for flat & flatMap array methods
• Support for Object.fromEntries
• Support for String: trimStart
• Support for Symbol: description
• Support for try...catch: Optional catch binding
• Support for JSON: stringify: Strings are escaped to well-formed UTF-8
• Support for Array: sort: Stable sorting
• Support for Function: toString: Implements Function.prototype.toString revision