is-boolean

0.0.2 • Public • Published

is-boolean

Predicate that returns true for boolean values.

Install

npm install is-boolean

Usage

var isBoolean = require('is-boolean');
 
console.log(isBoolean(false)); // true
console.log(isBoolean(true)); // true
console.log(isBoolean(new Boolean(1))); // true
console.log(isBoolean(!!'foo')); // true
console.log(isBoolean(!'foo')); // true
console.log(isBoolean('')); // false
console.log(isBoolean([])); // false
console.log(isBoolean(0)); // false
console.log(isBoolean(null)); // false
console.log(isBoolean(undefined)); // false
console.log(isBoolean(1)); // false
console.log(isBoolean({})); // false
console.log(isBoolean(function() {})); // false
console.log(isBoolean(/foo/gi)); // false
console.log(isBoolean(NaN)); // false

License

MIT

Versions

Current Tags

  • Version
    Downloads (Last 7 Days)
    • Tag
  • 0.0.2
    6
    • latest

Version History

  • Version
    Downloads (Last 7 Days)
    • Published
  • 0.0.2
    6
  • 0.0.1
    5

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Install

npm i is-boolean

Weekly Downloads

11

Version

0.0.2

License

MIT

Unpacked Size

4.18 kB

Total Files

8

Last publish

Collaborators

  • miguelmota