Logo Questions Linux Laravel Mysql Ubuntu Git Menu
 

How to toggle a boolean?

Is there a really easy way to toggle a boolean value in javascript?

So far, the best I've got outside of writing a custom function is the ternary:

bool = bool ? false : true; 
like image 483
Chris Dutrow Avatar asked Jul 22 '12 22:07

Chris Dutrow


People also ask

How do I toggle a boolean in SwiftUI?

How to create a toggle in SwiftUI. You can create a toggle or switch by simply typing Toggle() . To configure toggle, we have to pass the parameter. The parameter name is isOn of type Binding<Bool> , which defines the state of the toggle (i.e., whether it's on or off).

How do you flip a boolean in Python?

The not operator in Python helps return the negative or the opposite value of a given boolean value. This operator is used by placing the not operator as a prefix of a given boolean expression.

How do you reverse a Boolean in Javascript?

Method 1: Using the logical NOT operator: The logical NOT operator in Boolean algebra is used to negate an expression or value. Using this operator on a true value would return false and using it on a false value would return true. This property can be used to toggle a boolean value.


1 Answers

bool = !bool; 

This holds true in most languages.

like image 128
Jordan Avatar answered Oct 27 '22 10:10

Jordan