07 javascript number methods javascript tutorial

javascript offers several built-in methods for handling numbers, enhancing the ease of mathematical operations and data manipulation.

1. **tofixed()**: this method formats a number to a specified number of decimal places, returning it as a string.
2. **toprecision()**: similar to tofixed(), toprecision() formats a number to a specified length, including significant digits.
3. **parseint()**: it converts a string to an integer, allowing for an optional base to be specified.
4. **parsefloat()**: this method parses a string and returns a floating-point number, useful for extracting decimal values.
5. **isnan()**: it checks whether a value is nan (not-a-number), helping to validate numerical calculations.
6. **isinteger()**: this method determines if a value is an integer, assisting in type checking.

these methods collectively simplify numerical operations in javascript programming.
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