Posts

Showing posts with the label JavaScript operators

What are JavaScript operators in detail

In this article we are reading about  “What are JavaScript operators in detail” . Many operators are known to us from school. They are addition +, a multiplication *, a subtraction – and so on. In this chapter we concentrate on aspects that are not covered by school arithmetic. Terms: “unary”, “binary”, “operand” Before we move on, let’s grasp the common terminology. An operand  – is what operators are applied to. For instance in multiplication 5 * 2 there are two operands: the left operand is 5, and the right operand is 2. Sometimes people say “arguments” instead of “operands”. An operator is  unary  if it has a single operand. For example, the unary negation – reverses the sign of the number: 1 2 3 let x  =   1 ; x  =   - x ; alert (  x  ) ;   // -1, unary negation was applied An operator is  binary  if it has two operands. The same minus exists in the binary form as well: 1 2 3 let x ...