JavaScript Operators

Operators perform operations by taking one or more values, to give another value. These operations are performed on variables and values. Operators in JavaScript are discussed here. For example:

The following are the operators in JavaScript:

  • Arithmetic Operators
  • Assignment Operators
  • Comparison Operators
  • Logical Operators
  • Conditional Operators

Let us understand the operators one by one:

JavaScript Arithmetic Operators

Arithmetic operators in JavaScript perform arithmetical operations, such as addition, subtraction, division, multiplication, etc.

JavaScript Arithmetic Operators

Let us see an example to understand the Arithmetic Operators in JavaScript:

Output

JavaScript Arithmetic Operator Output

JavaScript Assignment Operators

Use the Assignment Operator when you need to assign values to a variable. It also includes the Arithmetic Assignment Operators:
JavaScript Assignment Operators
Let us see an example to understand the Assignment Operator in JavaScript:

Output

JavaScript Assignment Operator Output

JavaScript Relational/ Comparison Operators

Compare two values with JavaScript relational operators, which are also known as Comparison Operators. Let us say a = 3, b =5

JavaScript Relational Operators

Let us see an example to understand the Relational Operator in JavaScript:

Output

JavaScript Relational Operators Output

JavaScript Logical Operators

Logical operators combine conditional statements. Considering Boolean variables, a and b. Let us see an example of Logical Operators in JavaScript:

JavaScript Logical Operators

Let us see an example to understand Logical Operators in JavaScript:

Output

JavaScript Logical Operators Output

JavaScript Conditional Operator

Conditional operator evaluates Boolean expressions, with three operands. It is also known as the ternary operator. The role is to assign a value to a variable, from two given set options. The following is the syntax:

As shown above, if the condition is true, value 1 will get displayed, else value 2.

Let us see an example to implement the Conditional Operator in JavaScript:

Output

JavaScript Conditional Operators

JavaScript Functions
JavaScript Events
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