**Contents**show

## What are 4 operators?

**Operators**

- Arithmetic Operators are used to perform mathematical calculations.
- Assignment Operators are used to assign a value to a property or variable. …
- Comparison Operators are used to perform comparisons.
- Concatenation Operators are used to combine strings.

## How many types of operators are there in JavaScript?

JavaScript Operators are as rich as what you’d expect from any modern language. There are **four categories**: arithmetic, comparison, assignment, and logical.

## How many are the basic operators?

For example, write (1 + 2) * 2 . There are many operators in JavaScript. Every operator has a corresponding precedence number. The one with the larger number executes first.

…

Operator precedence.

Precedence | Name | Sign |
---|---|---|

17 | unary plus | + |

17 | unary negation | – |

16 | exponentiation | ** |

15 | multiplication | * |

## What are the operators?

1. In mathematics and sometimes in computer programming, an operator is **a character that represents an action**, as for example x is an arithmetic operator that represents multiplication. In computer programs, one of the most familiar sets of operators, the Boolean operators, is used to work with true/false values.

## What is == in JavaScript?

== in JavaScript is **used for comparing two variables**, but it ignores the datatype of variable. === is used for comparing two variables, but this operator also checks datatype and compares two values. It is called as assignment operator. It is called as comparison operator. It is also called as comparison operator.

## What is the main use of JavaScript?

JavaScript is a text-based programming language used both on the client-side and server-side **that allows you to make web pages interactive**. Where HTML and CSS are languages that give structure and style to web pages, JavaScript gives web pages interactive elements that engage a user.

## What does 1 mean in JavaScript?

-1 means **the first goes before the second**, 1 means it goes after, and 0 means they’re equivalent. The sort function uses the comparisons in the function you pass it to sort the function.