JavaScript Tutorial
JavaScript Operators: All Types with Examples
Table of Contents
- Introduction
- Types of JavaScript Operators
- JavaScript Operators (With Examples)
- Best Practices for Using JS Operators
FAQs About JS Operations
Operators are symbols or keywords used to perform actions on values or variables, such as addition, comparison, or assignment.
== checks only value, while === checks value and type.
The % operator (modulus) returns the remainder of a division.
typeof checks the data type of a value. For example, typeof 42 returns 'number'.
A shorthand for if-else statements. Example: condition ? valueIfTrue : valueIfFalse;.
It is the order in which operators are evaluated. For example, multiplication has higher precedence than addition.
It returns the first value that is not null or undefined.
It prevents errors when accessing nested object properties that might not exist.
It adds a value to a variable and reassigns the result.
They combine multiple conditions, such as x > 5 && x < 10.