smpnjn · December 5, 2020 15:38
diff --git a/nullish-coalescing.js b/nullish-coalescing.js
 let foo = '';

 let a = (3 - 3) || "this is falsy";   // returns "this is falsy" - 3 - 3 = 0 which is falsy
 let b = (3 - 3) ?? "this is nullish"; // returns 0 - 3 - 3 = 0 which is not null or undefined
 let c = foo || "this is falsy";       // returns "this is falsy" - since '' is falsy
 let d = foo ?? "this is nullish";     // returns '' - since '' is not null or undefined
	let foo = '';

	let a = (3 - 3) \|\| "this is falsy"; // returns "this is falsy" - 3 - 3 = 0 which is falsy
	let b = (3 - 3) ?? "this is nullish"; // returns 0 - 3 - 3 = 0 which is not null or undefined
	let c = foo \|\| "this is falsy"; // returns "this is falsy" - since '' is falsy
	let d = foo ?? "this is nullish"; // returns '' - since '' is not null or undefined