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Google IO '18: Build the future of the Web with Modern Javascript
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modernjs.md

ECMA Modules

  • .mjs
  • import/export

Numeric Literals

  • Big Int

Async iterators/generators

  • for await

Regex

  • /s flag for line endings
  • named capture groups
  • unicode matching
  • lookbehind assertions

String matchAll

try/catch unused variables

trimming white space

  • trimStart()
  • trimEnd()

Promise Finally

  • then/catch/finally

Spread/Rest for object destructuring

  • shallow clone an object

Class fields

  • private fields
  • no longer require constructor

use babel/present-env to transpile features

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