TypeProof

Modules

isA

Usage

Returns true or false for type.

let num = 6;
isA.number(num) //true

Methods

• object
• string
• array
• number
• function
• null
• undefined
• boolean
• regExp
• error
• date

atIndex

Usage

let arr = ["blue", "white", "red", "green"]
atIndex(2, arr); //red

Supported Types

• array
  • Returns item at index of array
• object
  • Returns item at key of object
• string
  • Returns character at index of string
• number
  • Return digit at index of number

isEmpty

Usage

let arr = ["blue", "white", "red", "green"]
isEmpty(2, arr); //red

Supported Types

• array
  • is empty if length is 0
• object
  • is empty if it has no keys
• string
  • is empty if length is 0
• number
  • is empty if it is equal to 0