JavaScript Built-in Functions
Subject: JavaScript
JavaScript provides a rich collection of built-in functions and methods that make it easier to perform operations on data types like strings, arrays, numbers, and more. These functions are globally available and part of the JavaScript standard.
1. Global Functions
These are accessible without importing or creating objects:
2. Number Functions
3. String Functions
4. Array Functions
5. Math Functions
6. Date Functions
7. JSON Functions
8. Utility Functions
Key Takeaways
- JavaScript offers built-in global functions and object methods.
- Use
parseInt,Math.random,JSON.stringify, and others for efficient data handling. - Learn how to manipulate arrays, strings, numbers, and dates using these predefined utilities.
- Use them to write cleaner and faster JavaScript code.