Get form elements with jquery

Form validation needs to get form elements, here's how to get form elements

Example:

all table cell elements
: Text: gets all elements of the text element, such as to get all values, must have each loop to get
:p Assword: Gets the element with the property password
: CheckBox: Gets the elements of all checkbox elements, if you want to get the selected value, it needs to be obtained with each loop (: checkbox:checked)
Original posts: http://www.cnblogs.com/shuang121/archive/2011/06/14/2080876.html
Get form elements with jquery