serialize : 搴忓垪琛ㄨ〃鏍煎唴瀹逛負瀛楃涓? 榪斿洖鐨勬槸涓涓瓧絎︿覆
var serializeStr = $("form").serialize();
result : username=forrest&passwd=1234&gender=0&interest=swimming&interest=running&interest=readBook
serializeArray : 搴忓垪鍖栬〃鏍煎厓绱?(綾諱技 '.serialize()' 鏂規硶) 榪斿洖 JSON 鏁版嵁緇撴瀯鏁版嵁
var fields = $("select, :radio").serializeArray();
jQuery.each( fields, function(i, field){
$("#results").append(field.name + "=" +field.value + "; ");
});
result : username=forrest; passwd=1234; gender=0; interest=swimming; interest=running; interest=readBook; 
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