Javascript operators are used to perform different types of mathematical and logical computations. Examples: The Assignment Operator = assigns values. The Addition Operator + …

It converts Object to boolean. If it was falsy (e.g., 0, null, undefined, etc.), it would be false, otherwise, true. So !! is not an operator; it's just the ! operator twice. It is generally simpler to …

Mar 13, 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 …

Jun 2, 2025 · This chapter describes JavaScript's expressions and operators, including assignment, comparison, arithmetic, bitwise, logical, string, ternary and more. At a high level, …

JavaScript Operators. JavaScript Operators are used to assign values, compare values, perform arithmetic operations, and more.

The Optional Chaining Operator (?.) The ?. operator returns undefined if an object is undefined or null (instead of throwing an error).

Jun 3, 2025 · JavaScript operators are symbols or keywords used to perform operations on values and variables. They are the building blocks of JavaScript expressions and can …

Learn how to use the three dots operator (...) a.k.a the spread operator in JavaScript. The JavaScript spread operator (...) expands an iterable (like an array) into more elements. This …

JavaScript operators are special symbols that perform operations on one or more operands (values). In this tutorial, you will learn about JavaScript operators with the help of examples.

JavaScript provides the following logical operators. && is known as AND operator. It checks whether two operands are non-zero or not (0, false, undefined, null or "" are considered as …