Mar 13, 2026 · JavaScript operators are symbols or keywords used to perform operations on values and variables. They are the building blocks of JavaScript expressions and can manipulate data in various …

Jul 8, 2025 · Expressions and operators by category For an alphabetical listing see the sidebar on the left. Primary expressions Basic keywords and general expressions in JavaScript. These expressions …

Aug 26, 2025 · The nullish coalescing (??) operator is a logical operator that returns its right-hand side operand when its left-hand side operand is null or undefined, and otherwise returns its left-hand side …

What is an Operator? In JavaScript, an operator is a symbol that performs an operation on one or more operands, such as variables or values, and returns a result. Let us take a simple expression 4 + 5 is …

Jul 8, 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 …

Feb 1, 2025 · Mastering JavaScript operators is essential for writing efficient expressions and conditional statements. This curated list of JavaScript operator practice problems will help you strengthen your …

The nullish coalescing operator is written as two question marks ??. As it treats null and undefined similarly, we’ll use a special term here, in this article. For brevity, we’ll say that a value is “defined” …

Mar 2, 2026 · Learn all about JavaScript Operators, including arithmetic, logical, comparison, and more. Master their usage to write efficient and powerful code!

Nov 19, 2021 · In other words, an operator is capable of either manipulating a particular value or producing a result by comparing or operating on the given values. Like other programming …

Jul 8, 2025 · The optional chaining (?.) operator accesses an object's property or calls a function. If the object accessed or function called using this operator is undefined or ...