A new version of JavaScript has landed!

Every year JavaScript gets a handful of new features and functions for everyone to play with.

The

have released the 2019 additions to

ECMAScript

, which is the generally accepted version of JavaScript we all know and love tolerate.

You can take a look at the

to track the progress of proposed features, including all the ones they've

accepted into the official language

.

I drew up my own notes on the 7 big changes below:

• Optional Catch Binding
• Stable array.sort()
• Flatten Arrays with flat()
• Flatten & Map Arrays with flatMap()
• Cut out Whitespace with trimStart() & trimEnd()
• Descriptions on Symbols
• Create Objects from Entries with fromEntries()

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These notes are all based off Mike Sherov's egghead course on

which is a good summary of all the new shiny bits, as well as how they apply in IRL dev situations.

Want more illustrated notes on web development?

Take a look at

,

What the Fork is Babel?

or

JavaScript's ...spread Operator