How to tell if an element exists

出處 http://jqueryfordesigners.com/

$('element').length == 0; // no element found

http://www.opensymphony.com/webwork/api/com/opensymphony/xwork/util/XWorkBasicConverter.html


XWork will automatically handle the most common type conversion for you.
This includes support for converting to and from Strings for each of the following:

• String
• boolean / Boolean
• char / Character
• int / Integer, float / Float, long / Long, double / Double
• dates - uses the SHORT or RFC3339 format (yyyy-MM-dd'T'HH:mm:ss) for the Locale associated with the current request
• arrays - assuming the individual strings can be coverted to the individual items
• collections - if not object type can be determined, it is assumed to be a String and a new ArrayList is created

Note: that with arrays the type conversion will defer to the type of the array elements and try to convert each item individually. As with any other type conversion, if the conversion can't be performed the standard type conversion error reporting is used to indicate a problem occured while processing the type conversion.

鰻魚飯

-- 發送自我的 iPhone

XERO R9白

SHIMANO RS10：
Michelin Dynamic + 飛輪
1202+1728=2930

XERO R9白：
KENDA K1050 + 飛輪
980+1436=2416

基隆港務局二樓

麗星郵輪第一天,都是人...



-- Post From My iPhone 3GS

GAUI EP255

再買一台...

# 全長 : 488mm (含艙罩)
# 主迴轉面直徑 : 550mm
# 尾迴轉面直徑 : 110mm

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