JavaScript Operators

JavaScript operators are symbols used to perform operations on values or variables. There are several types of operators available in JavaScript, including assignment, arithmetic, comparison, and logical operators. By understanding these operators and how to use them, you can write more powerful and efficient JavaScript code.

Types of operators in JavaScript:

Assignment Operators

The assignment operator (=) is used to assign a value to a variable. For example:

var x = 5;

This assigns the value 5 to the variable x.

Arithmetic Operators

Arithmetic operators are used to perform mathematical operations on values. The following arithmetic operators are available in JavaScript:

• Addition (+): Adds two values together. For example: 3 + 4.
• Subtraction (-): Subtracts one value from another. For example: 6 - 2.
• Multiplication (*): Multiplies two values together. For example: 5 * 7.
• Division (/): Divides one value by another. For example: 10 / 2.
• Modulus (%): Returns the remainder of a division operation. For example: 11 % 3 would return 2.

Comparison Operators

Comparison operators are used to compare two values and return a Boolean value (true or false). The following comparison operators are available in JavaScript:

• Equal to (==): Compares two values for equality. For example: 3 == 3 would return true.
• Not equal to (!=): Compares two values for inequality. For example: 3 != 4 would return true.
• Greater than (>): Compares two values to see if the first value is greater than the second value. For example: 5 > 3 would return true.
• Less than (<): Compares two values to see if the first value is less than the second value. For example: 2 < 7 would return true.
• Greater than or equal to (>=): Compares two values to see if the first value is greater than or equal to the second value. For example: 6 >= 6 would return true.
• Less than or equal to (<=): Compares two values to see if the first value is less than or equal to the second value. For example: 4 <= 5 would return true.

Logical Operators

Logical operators are used to combine two or more conditions and return a Boolean value. The following logical operators are available in JavaScript:

• AND (&&): Returns true if both conditions are true. For example: (3 < 5) && (6 > 4) would return true.
• OR (||): Returns true if at least one of the conditions is true. For example: (3 > 5) || (6 > 4) would return true.
• NOT (!): Returns the opposite of a Boolean value. For example: !(3 > 5) would return true.