Assignment operators are used to assign values to JavaScript variables. Given that x = 10 and y = 5, the table below explains the assignment operators: For a tutorial about assignment operators, read our JavaScript Assignment Tutorial. The + operator, and the += operator can also be used to concatenate (add) strings.

Apr 3, 2025 · This chapter describes JavaScript's expressions and operators, including assignment, comparison, arithmetic, bitwise, logical, string, ternary and more.

Dec 22, 2013 · First line: infixl 6 ∘. Second line: x ∘ y = x + 2 * y. Technically you can, by writing your own lexical parser and defining your own name of script type in the <script> block. This technique is used quite widely. Some well-known examples include Google Traceur.

Aug 18, 2017 · Sometimes the simplest idea is the best option: just use some conditionals. if (operation === '+') return x + y. else if (operation === '-') return x - y. else if (operation === '*') return x * y. else if (operation === '/') return x / y. else if (operation === '%') return x % y.

Aug 14, 2023 · Here, the two variables x and y are added together using the plus + operator. We also used the console.log() method to print the result of the operation to the screen. You can use operators directly on values without assigning them to any variable too: In JavaScript, we have 8 arithmetic operators in total. They are:

Apr 11, 2025 · Let's quickly play with some numbers to reacquaint ourselves with the basic syntax we need. Enter the commands listed below into your developer tools JavaScript console.

Dec 27, 2024 · There are various operators supported by JavaScript. 1. JavaScript Arithmetic Operators. Arithmetic Operators perform mathematical calculations like addition, subtraction, multiplication, etc. + adds two numbers. – subtracts the second number from the first. * multiplies two numbers. / divides the first number by the second. 2.

Aug 25, 2021 · In this JavaScript tutorial, we will go over arithmetic operators, assignment operators, and the order of operations used with number data types.

In this tutorial you will learn how to manipulate or perform the operations on variables and values using the operators in JavaScript. Operators are symbols or keywords that tell the JavaScript engine to perform some sort of actions.

2 days ago · Operators are fundamental tools used in JavaScript to perform operations on variables and values. These operations can involve mathematical calculations, comparisons, logical operations, and more.