JavaScript 13. Ternary Operator

Web Reference: The nullish coalescing operator (??) in JavaScript only considers null or undefined as "nullish" values. If the left-hand side is any other value, even falsy values like "" (empty string), 0, or false, it will not use the right-hand side: That is, JavaScript "short-circuits" the evaluation of Boolean operators and will return the value associated with either the first non-false variable value or whatever the last variable contains. See Anurag's explanation of those values that will evaluate to false. Using this technique is not good practice for several reasons; however. Novice JavaScript developers need to know that the "not not" operator is using implicitly the original loose comparison method instead of the exact or operators and also the hidden cast operation that is happening behind the scenes and I show it in the example I provide.

YouTube Excerpt: 1. If...Else statement shorthand; 2. Nesting an other condition to the ternary operator.

1. If...Else statement shorthand; 2. Nesting an other condition to the ternary operator.

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