depicts-whole-number
Test a variable to see if it represents a whole number.[1]
Installation
$ npm install depicts-whole-number
Usage
const depictsWholeNumber = // true // true // false // false // false // false // false // true // true // false // false // false // false // false // false // false // false // false // false
Take a look into the test folder for more examples.
Note: The following numbers are not whole numbers, but identical up to an isomorphism:[2]
- 1e+3 (scientific notation) ~ 1000
- 1000.00 (natural number with a fraction) ~ 1000
Only Safe Numbers
When using this option, true
is only returned for whole numbers being less or equal than Number.MAX_SAFE_INTEGER
.
Visit developer.mozilla.org
for further reference.
const depictsWholeNumber = onlySafeNumbers // true // false // true // false
License
ISC
[1] Whole numbers are natural numbers (including zero) written in decimal notation without a decimal fraction.
[2] Isomorphism: Sameness between two different structures.