var-type

1.0.1 • Public • Published

var-type

Get the native type of any variable using Object.prototype.toString

Install

With npm

npm install var-type

Usage

Node.js

var varType = require('var-type')
 
console.log(varType('hello')) // String
 
// The 2nd argument will be used as a comparison test if sent
varType('foo', 'String') // true
 
// All additional arguments are flattened and used for comparison tests
varType(1, ['Number', 'String', 'Boolean']) // true
varType('hi', 'Function', 'Number') // false

Conversion Table

Input Output
'meow' String
new String('bar') String
20 Number
new Number(10) Number
NaN Number
Infinity Number
true Boolean
new Boolean() Boolean
/ab+c/ RegExp
new RegExp('ab+c') RegExp
[1,2,3] Array
new Array(4,5,6) Array
{a: 1} Object
new Object() Object
function() {} Function
new Function('a', 'b') Function
new Date() Date
new Error() Error
null Null
undefined Undefined

See tests.

Readme

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Install

npm i var-type

Weekly Downloads

41

Version

1.0.1

License

MIT

Last publish

Collaborators

  • sorensen