JavaScript Syntax

What are the basic syntax of JavaScript programming language?

JavaScript is a programming language used to create interactive websites and web applications. These are some of the basic syntax and rules used in JavaScript:

1. Statements are separated by semicolons (;).

2. JavaScript is case-sensitive.

3. Comments can be added to the code using the // or /* */ syntax.

4. Variables can be declared using the var, let, or const keywords.

5. JavaScript uses various data types such as strings, numbers, booleans, arrays, and objects.

6. Strings are enclosed in single or double quotes.

7. Arithmetic operators include +, -, *, /, and % for addition, subtraction, multiplication, division, and modulus respectively.

8. Comparison operators include ==, !=, <, >, <=, and >= for equal to, not equal to, less than, greater than, less than or equal to, and greater than or equal to respectively.

9. Logical operators include &&, ||, and ! for logical AND, logical OR, and logical NOT respectively.

10. Control structures such as if-else statements, loops, and switch-case statements are used to control the flow of the program.

11. Functions can be declared using the function keyword followed by a function name, parameter list, and function body.

These syntax and rules mentioned above when applied adds interactive features and dynamic behavior to web pages.