ES2017 Do Expression Example - An example of using do expressions to assign a variable in ES2017! Read more at: https://natehub.blogspot.com/2017/05/the-future-of-javascript-and-beyond.html

ES2017_do_expression_example.js

// Use do expression when assigning variables
var x = do {
	function foo() {
		return ...
	}
	var a = 3
	foo(a * 7)
};

// Use do expression with try-catch to capture errors when assigning variables
var x = do {
	try { foo( 10 ); }
	catch { (err) { err; } }
}