【JavaScript】获取所有相同class名称的控件

var editStr = "<span id='diySpan_space_" +treeNode.id+ "' > <img src='../../../new_website/icon/icon_role.png' id='diyIcon_" +treeNode.id+ "' style='cursor: pointer; width: 18px' />  </span> <span style='color: red' id='span_PropertyName_"+treeNode.id+"'>"+PropertyName+"</span> <span style='color: red; display: none' id='span_PropertyID_"+treeNode.id+"' class='spanProperty'>"+PropertyInfo+"</span>" ;  

var jsonarray = [];
var arr = "";
$(".spanProperty").each(function(){
    if($(this).text()!=''){ 
        arr = 
          {
              "id": $(this).text().split('-')[1],
              "name": $(this).text().split('-')[2],
              "pId": $(this).text().split('-')[0],
              "IsProperty": 2
          }
        jsonarray.push(arr); 
    } 
})