Apr 4, 2025 · The null-coalescing assignment operator ??= assigns the value of its right-hand operand to its left-hand operand only if the left-hand operand evaluates to null. The ??= …

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 …

The ternary operator allows any arbitrary expression as its middle operand, despite being listed as having higher precedence than the assignment and comma operators. Thus a ? b, c : d is …

Feb 5, 2025 · The overloads of operator>> and operator<< that take a std::istream& or std::ostream& as the left hand argument are known as insertion and extraction operators.

The conditional operator evaluates an expression, returning one value if that expression evaluates to true, and a different one if the expression evaluates as false.

Sep 20, 2025 · It is a compile-time unary operator which can be used to compute the size of its operand. The result of sizeof is of the unsigned integral type which is usually denoted by size_t.

The operator ?? has a very low precedence, only a bit higher than ? and =, so consider adding parentheses when using it in an expression. It’s forbidden to use it with || or && without explicit …

An operator is a symbol or keyword that tells the computer what operation it should perform on values or variables. In the example below, the + operator is used to add the numbers 10 and 5 …

Jul 8, 2025 · This chapter describes JavaScript's expressions and operators, including assignment, comparison, arithmetic, bitwise, logical, string, ternary and more.

Jun 11, 2024 · Built-in subscript operator provides access to an object pointed-to by the pointer or array operand. Built-in indirection operator provides access to an object or function pointed-to …