
How do you use the ? : (conditional) operator in JavaScript?
Jun 7, 2011 · The conditional (ternary) operator is the only JavaScript operator that takes three operands. This operator is frequently used as a shortcut for the if statement. condition ? expr1 : expr2
Optional chaining (?.) - JavaScript | MDN - MDN Web Docs
Mar 20, 2025 · When used with function calls, it returns undefined if the given function does not exist. This results in shorter and simpler expressions when accessing chained properties when the possibility exists that a reference may be missing.
Conditional (ternary) operator - JavaScript | MDN - MDN Web Docs
Mar 13, 2025 · The conditional (ternary) operator is the only JavaScript operator that takes three operands: a condition followed by a question mark (?), then an expression to execute if the condition is truthy followed by a colon (:), and finally the expression to …
conditional operator - What is "(…) ? (…) : (…)" notation (three ...
Jun 24, 2024 · That’s called the conditional operator: condition ? expr1 : expr2 If condition is true , the operator returns the value of expr1 ; otherwise, it returns the value of expr2 .
JavaScript Comparison and Logical Operators - W3Schools
Comparison operators can be used in conditional statements to compare values and take action depending on the result: if (age < 18) text = "Too young to buy alcohol"; You will learn more about the use of conditional statements in the next chapter of this tutorial.
How the Question Mark (?) Operator Works in JavaScript
Feb 3, 2021 · The conditional or question mark operator, represented by a ?, is one of the most powerful features in JavaScript. The ? operator is used in conditional statements, and when paired with a : , can function as a compact alternative to if...else statements.
syntax - Question mark and colon in JavaScript - Stack Overflow
How do you use the ? : (conditional) operator in JavaScript? It is called the Conditional Operator (which is a ternary operator). Think of the ? as "then" and : as "else". Your code is equivalent to. hsb.s = 255 * delta / max; hsb.s = 0; "?" isn't the ternary operator; "? :" is the ternary operator. Talking about "?"
How to Use AND Statement in if with JavaScript?
Sep 18, 2024 · In JavaScript AND (&&) logical operator is used in the 'if' statement to check for two or more conditional validities. AND logical operator in the 'if' condition returns true only when all the conditions inside the 'if' statement are TRUE.
Conditional (ternary) operator - The complete JavaScript Tutorial
Fortunately for us, JavaScript, just like many other programming languages, comes with a shorter notation for the if..else statement, in the form of the conditional operator, sometimes referred to as the ternary operator. It looks like this:
JavaScript - Conditional Operators - W3schools
That's exactly what conditional operators do in JavaScript – they help our programs make decisions based on certain conditions. The star of our show today is the ternary operator. It's like a compact, super-efficient if-else statement. Let's break it down: It's as if we're asking a question: If the answer is yes (true), do the first thing.