If not ternary operator then what?

NisarShaikh — Fri, 01 Jan 2021 07:46:51 +0000

Like many languages, JavaScript has the conditional (ternary) operator. What's wonderful about this operator is that it can be nested in expressions and it returns a value.

So what is the right way to use it in JavaScript?

Should we try to avoid it?

While writing code I found something that can replace ternary operator under certain conditions.

Traditional use:

const foo = a ? a : b;
const bar = c ? true : false;
const baz = c ? flase : true;

What I found was:

const foo = a || b;
const bar = !!c;
const baz = !c;

There is one more, `&&` (AND) operation.

const boo = a `&&` 'Hello';

Here the AND operator will short-circuit if the left operand is false, it acts identically to the first part of the ternary operator.

Do you know more? Please do let me know in the comments.