9 function di javascript

javascript offers a variety of built-in functions that enhance its utility and versatility.

1. **parseint()**: converts a string to an integer, allowing for numeric operations on string input.
2. **parsefloat()**: similar to parseint(), but converts a string to a floating-point number, accommodating decimal values.
3. **isnan()**: checks whether a value is nan (not-a-number), useful for validating numeric data.
9. **settimeout()**: delays the execution of a function by a specified number of milliseconds, enabling asynchronous programming.

these functions collectively enhance javascript's capability to handle various tasks effectively.
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