JavaScript syntax and variables

Here are some basics of JavaScript syntax and variables:

• Statements and Comments

JavaScript statements are instructions that tell the browser what to do. A statement can be a variable declaration, an assignment, or a function call. Statements are separated by semicolons (;).

• Variables

JavaScript variables are used to store data values. You can declare a variable using the var, let, or const keywords.

• Data Types

JavaScript has several data types, including numbers, strings, booleans, objects, and arrays. Variables in JavaScript can hold any of these data types.

• Operators

JavaScript has several types of operators, including arithmetic operators, comparison operators, logical operators, and assignment operators.