jquery gets the label type of the jquery object

Little scum · Posted on 4/7/2018 1:54:29 PM

jquery object
$("#"+control id)[0]

//查看控件类型
$("#"+control id)[0].type

Both ways are fine

Example 1:
< select id="ddl" >
  < option >1< /option >

< option >2< /option >
< / select>

$("#ddl")[0].type; // select-one

Example 2:
< input type="text" id="txt" />
$("#txt")[0].type; //text

Example 3:
   < select id="Select1" >
         < option >1< /option >
         < option >2< /option >
         < option >3< /option >
      < /select >

      < select id="Select2" >
         < option >1< /option >
         < option >2< /option >
         < option >3< /option >

      < select id="Select3" >
         < option >1< /option >
         < option >2< /option >
         < option >3< /option >
      < /select >

      < input type="text" id="Text1" / >
      < input type="submit" id="Text2" / >
      < input type="button" id="Text3" / >

//测试
      $$("select").change(function(){
         alert($$(this)[0].type); //select-one
      });

      $$("#Select1").change(function(){
         alert($$(this)[0].type); //select-one
      });

      $$("#Select2").change(function(){
         alert($$(this)[0].type); //select-one
      });

      $$("#Select3").change(function(){
         alert($$(this)[0].type); //select-one
      });

      $$("#Text1").click(function(){
         alert($$(this)[0].type); //text
      });

      $$("#Text2").click(function(){
         alert($$(this)[0].type); //submit
         return false;
      });

      $$("#Text3").click(function(){
         alert($$(this)[0].type); //button
      });

QWERTYU · Posted on 4/8/2018 9:16:58 AM

What is the use of getting types?

[Jquery] jquery gets the label type of the jquery object

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