A Pen by Bitcollage.

index.html

<h2>nice way to check type of:</h2>
<ul>
  <li>number</li>
  <li>string</li>
  <li>function</li>
  <li>object</li>
  <li>boolean</li>
  <li>regexp</li>
  <li>array</li>
</ul>
<h3>If you use jQuery in your project and want also use "nice way to check type of", please make sure to init it after jQuery loaded!</h3>

Nice-type-checking-in-javascript-:).markdown

Nice type checking in javascript :)

Type checking, detection in javascript. Number, String, Function, Object, Boolean, Regexp

A Pen by Bitcollage on CodePen.

License.

script.js

//=============== Global Init =================
Object.prototype.type = function(){
    return Object.prototype.toString.call(this).slice(8,-1).toLowerCase();
};
//======================================

// easy way to check type of number, string, etc... !
var foo1 = 123456,
    foo2 = 'Hello World',
    foo3 = function(){},
    foo4 = {},
    foo5 = true,
    foo6 = /[a-zA-Z]/,
    foo7 = [1,3,4,5];

console.log(foo1.type()); //numer
console.log(foo2.type()); //string
console.log(foo3.type()); //function
console.log(foo4.type()); //object
console.log(foo5.type()); //boolean
console.log(foo6.type()); //regexp 
console.log(foo7.type()); //array 

// whenever you want just call .type() :)

style.css

h2 { font-family:arial; }