📄️ isInteger()
Number.isInteger() checks if its argument is an integer. If so, it returns true. Otherwise, the method returns false.
📄️ toExponential()
Use the toExponential() method to convert a number to its exponential equivalent.
📄️ toFixed()
toFixed() specifies the number of digits browsers should show after a number's decimal point.
📄️ toPrecision()
toPrecision() formats a number to a precise length of digits and returns the result as a string.
📄️ toString()
toString() converts a number to a string of a specified radix.