JS - What is output Question 4

Understanding Unary Operators in JavaScript

Let's explore how unary operators behave in JavaScript using the following examples:

+true;
!'Lydia';

What do you think the result of each expression would be?

1. +true;: The unary plus operator (+) attempts to convert its operand to a number. Since true has a boolean value of true, it converts to the number 1. So, the result would be 1.

2. !'Lydia';: The logical NOT operator (!) negates its operand. In JavaScript, empty strings are falsy values, so 'Lydia' is a truthy value. Therefore, the logical NOT of a truthy value is false. So, the result would be false.

These examples demonstrate how unary operators can be used to perform type conversion and logical operations in JavaScript.