⭕unary operator

+, -, ~, ~, delete, void, typeof

JS ⟩ statement ⟩ expression ⟩ operator ⟩ unary

(operator) an operation with only 1 operand. 👉 table of operators

🔴 主題

• delete - delete object property.

• void - discards an expression's return value.

• typeof - determines the type of a value.

• await -

• + - unary plus operator converts its operand to Number type.

• - - unary negation operator converts its operand to Number type and then negates it.

• ~ - bitwise NOT operator.

• ! - logical NOT operator.

👥 相關

• binary operator

• ternary operator

📘 手冊

• unary operators