What are the top functions in Javascript ?

JavaScript is a programming language that is commonly used to create interactive effects within web browsers. Some of the top functions in JavaScript include:

1. document.getElementById(): This function is used to access and manipulate elements on a web page using their unique ID.

2. parseInt(): This function is used to convert a string to an integer.

3. Math.random(): This function is used to generate a random number between 0 and 1.

4. JSON.stringify(): This function is used to convert a JavaScript object to a JSON string.

5. Array.sort(): This function is used to sort the elements of an array in ascending or descending order.

6. String.replace(): This function is used to replace a specified string or regular expression with another string.

7. setInterval(): This function is used to repeatedly execute a specified function at a specified interval.

8. setTimeout(): This function is used to execute a specified function after a specified amount of time.

9. window.location: This property is used to get the current URL of a web page and to redirect the browser to a new URL.

10. JSON.parse() - This function parses a JSON string and returns a JavaScript object.

11. addEventListener() - This function adds an event listener to an element, which allows the element to respond to user events such as clicks, hover, and focus.

These are just a few examples, but there are many more functions available in JavaScript that are commonly used for a wide variety of purposes.