JavaScript: A Comprehensive Guide for Beginners212
Introduction
JavaScript is a high-level, interpreted programming language that is used for creating interactive web pages and applications. It is a versatile language that can be used for a wide range of tasks, including data validation, form handling, and creating dynamic content. JavaScript is also used in mobile apps, desktop apps, and even server-side applications.
Basic Syntax
JavaScript uses a C-like syntax that is easy to learn and understand. The basic syntax of a JavaScript statement is as follows:
```
statement;
```
Statements can be simple, such as assigning a value to a variable, or they can be more complex, such as using control flow statements or looping over an array.
Data Types
JavaScript has a variety of built-in data types, including:
* Number: Represents a numeric value.
* String: Represents a sequence of characters.
* Boolean: Represents a true or false value.
* Array: Represents a collection of values.
* Object: Represents a collection of key-value pairs.
Variables
Variables are used to store data in JavaScript. They are declared using the `var` keyword, followed by the variable name. For example:
```
var name = "John Doe";
```
Operators
Operators are used to perform operations on data. JavaScript has a wide range of operators, including:
* Arithmetic operators: (+, -, *, /, %)
* Comparison operators: (==, !=, >, =,
2025-01-17
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