Javascript ternary boolean shorthand

Question

Is there a shorthand syntax for the following JavaScript boolean ternary expression:

var foo = (expression) ? true : false

See https://stackoverflow.com/questions/784929/what-is-the-not-not-operator-in-javascript — , Jun 28 '19 at 19:04

Bergi · Accepted Answer · 2019-06-28T20:47:02.070

5

Sure, you just want to cast your expression to a boolean:

var foo = Boolean(expression);

var foo = !! expression;

edited Jun 28 '19 at 20:47

answered Jun 28 '19 at 19:04

Bergi

Could you explain the second solution ? – Noob Jun 28 '19 at 19:07
2

@Noob See the post link in Amy's comment. But it's simple logic. – Dave Newton Jun 28 '19 at 19:08
The second solution is exactly what I was looking for. – VerySeriousSoftwareEndeavours Jun 28 '19 at 19:24

1 Answers1