- 
            
            
- ANDROID
 - ANDROID_TABLET
 - CHROME
 - CHROME_VERSION
 - DOC_MODE
 - DOC_MODE_IE10_LT
 - DOC_MODE_IE11_LT
 - DOC_MODE_IE12_LT
 - DOC_MODE_IE8_LT
 - DOC_MODE_IE9_LT
 - EDGE
 - FIREFOX
 - IE10_LT
 - IE11_LT
 - IE7_LT
 - IE8_LT
 - IE9_LT
 - IE_COMPATIBLE
 - IE_VERSION
 - IPAD
 - IPHONE
 - LINUX
 - MAC
 - MOBILE
 - MOBILE_IOS
 - MOZILLA
 - MSIE
 - OPERA
 - OPERA_MINI
 - OS_VERSION
 - SAFARI
 - SAMSUNG
 - SAMSUNG_VERSION
 - SMART_PHONE
 - TABLET
 - TOUCH_DEVICE
 - VERSION
 - WEBKIT
 - WEBKIT_VERSION
 - WINDOWS
 - WINDOWS_PHONE
 - WINDOWS_TABLET
 
 - 
            
            
- addChild
 - addClass
 - addEvent
 - attr
 - children
 - clone
 - closest
 - contentHeight
 - contentWidth
 - css
 - each
 - element
 - hasClass
 - hasEvent
 - height
 - html
 - innerHeight
 - innerWidth
 - insertSWF
 - match
 - next
 - outerHeight
 - outerWidth
 - parent
 - prev
 - prop
 - rect
 - remove
 - removeAllEvent
 - removeAttr
 - removeChild
 - removeClass
 - removeEvent
 - removeProp
 - replaceWith
 - scrollLeft
 - scrollTop
 - selector
 - selectorAll
 - text
 - transition
 - trigger
 - width
 
 
hasClass()
Type : public method
Support : 0.6
Return : Boolean
- 대상 개체의 해당 className의 존재여부 반환.
해당 className이 존재하면 true반환 
Methods
- 
            
hasClass( className ) : Booleanver 0.6~
- 
                    className : StringArray여러개의 className을 비교할 수 있다. 이럴경우 className 들이 모두 일치해야 true를 반환.
 
 - 
                    
 
Example
console.log( $B( '#box' ).hasClass( 'plus' ) );
console.log( $B( '#box' ).hasClass( 'plus', 'on' ) );
console.log( $B( '#box' ).hasClass( ['plus', 'on'] );