javascript - FormData without submit button -

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hi there have form upload file

$("#form").on('submit',(function(e) {         e .preventdefault();         $.ajax({             url: "index2.php",             type: "post",             data:  new formdata(this),             contenttype: false,             cache: false,             ...

in form html:

 <form id="form" action="index2.php" method="post" enctype="multipart/form-data">   <input id="uploadimage" type="file" accept="image/*" name="image" /><br/>   <input id="button" type="submit" value="upload">  </form>

it works. butnow want remove button. want upload automaticly when select file.

          $.ajax({                 url: "index2.php",                 type: "post",                 data:  new formdata("#form"),                 contenttype: false,                   ...

but not works. can please me that?

you can add drop zone (just drag , drop). @ autoupload: true. 

$('.fileupload').fileupload({   datatype: 'json',   url: "/somewhere.com/here",   dropzone: $("#picturezone"),   autoupload: true,   done: function (e, data) {    $("#pic").attr("src", url + data.result.name + "?" + d.gettime());  }  }).on('fileuploadprogressall', function (e, data) {   //do while uploading.  });

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