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const myInt = 15; const myFloat = 6.667; console.log(typeof myInt); //quantity console.log(typeof myFloat); //quantity
An operand is what operators are utilized to. As an example, within the addition of 99 + 1 there are two operands: the left operand is 99 and the appropriate operand is 1.
There are two forms of operators, as follows:
- An operator is unary if it has a single operand. For instance, the unary Incrementor (++) provides 1 to a quantity.
- An operator is binary if it has two operands. Within the 99 + 1 instance above, the + is a binary operator as a result of it goes between two values.
There’s a demo of the above script in codepen.
Operator priority describes the order during which operations are carried out in an arithmetic expression. Simply as you discovered in grade college math, multiplication (*) and division (/) have greater priority than addition (+) and subtraction (–), which means these calculations get carried out first. Therefore, 10 + 4 / 2 could be equal to 12 and never 7. To override the default priority, we are able to enclose the operations that we would like carried out first inside parentheses, as in (10 + 4) / 2. Operations contained in the parentheses are computed first, going from the innermost on outwards. In the meantime, a number of operations with the identical priority (like addition and subtraction) are computed from left to proper. Acquired all that? Now, here’s a take a look at:
(3 * (10 / (6 - 4))) + 2 = ?
(3 * (10 / 2)) + 2 (3 * 5) + 2 15 + 2 17