When should I use the ternary operator in JavaScript?
An example of an AI chatbot conversation about when to use the ternary operator in JavaScript.
What is the ternary operator in JavaScript?
The ternary operator is a shorthand for an if-else statement, using the syntax: condition ? exprIfTrue : exprIfFalse.
When should I use it instead of a regular if-else?
You should use the ternary operator for simple conditions where you want to assign a value based on a condition, making your code more concise.
Can you give me an example?
Sure! Instead of writing:
if (isLoggedIn) { welcomeMessage = 'Welcome back!'; } else { welcomeMessage = 'Please log in.'; }
You can use the ternary operator:
welcomeMessage = isLoggedIn ? 'Welcome back!' : 'Please log in.';
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