Ok, now, for the end, I’m gonna push your logic one step further and I’m gonna try to help you understand that programming is all about abstraction. Based on the expression evaluation, it returns the value. Learn how to identify if using it is a wise choice, many times using the classic if statement is better. These boolean operators basically execute the code to check whether the expression value is true or not. Don’t over-complicate just for the sake of writing ternary operators.Use parenthesis to differentiate arguments when they look confusing.Notice how in the example we were analyzing before I made use of parenthesis around the conditional argument, the reason why I did it is to avoid the visual confusion of having the operators = and >= too close together, so, as a general rule, if you’re using operators that make a statement uncomfortable to read then use parenthesis.Recommendations: When you get used to writing code with ternary operators it’s very easy to write bad code just because “it has fewer lines of code”, to avoid making these mistakes I recommend you to: Why you ask, well as I said below there are always new ones being discovered. So this is an update to my all inclusive list of operators. In the explanation above I didn’t mention that the Ternary Operator’s implementation is cleaner (and most importantly, it makes you feel badass the first times you use it). 29, 2016 2 likes 1,882 views Download Now Download to read offline Business List of Boolean Operators. Empty string ('') undef - undefined (The value of a variable is undef if it is not initialized.) 0 - String containing a single 0 digit. In Perl, every expression is considered true except for the following cases: Number 0. Less redundant, look at the if’s statement case again and check how many times do you see the canDrive variable named?, 3 times right?, now look at the Ternary Operator implementation, just once… Collaborate outside of code Explore All features. Collaborate outside of code Explore All features. Perl does not have a special 'Boolean' type. ![]() ![]() in the first example using the if statement we had to declare canDrive using let because we needed to console.log the value out of the if’s block-scope (Don’t know what block-scope means?, read this article where I explain it better), in the Ternary Operator’s case we were able to use const because the variable is not limited by any block, which means we have more flexibility. Boolean variables are declared using the boolean keyword, which accepts true or false.Let me explain why this is so good, I can think of at least 3 things right away: Const canDrive = age >= 18 ? 'Yes' : 'No' // parenthesis are optional
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