Js gets the size and name of the uploaded file, js gets the uploaded file

Js gets the size and name of the uploaded file, js gets the uploaded file
The Code is as follows:

Upload: <input type = "file" style = "width: 500px;" onchange = "fileChange (this ); "/> <script type =" text/javascript "> function fileChange (target) {var isIE =/msie/I. test (navigator. userAgent )&&! Window. opera; // compatible with Versions later than IE6 var fileSize = 0; var fileName = null; if (isIE &&! Target. files) {var filePath = target. value; var fileSystem = new ActiveXObject ("Scripting. fileSystemObject "); var file = fileSystem. getFile (filePath); fileName = file. name; fileSize = file. size;} else {fileSize = target. files [0]. size; fileName = target. files [0]. name;} var size = fileSize/1024/1024; alert ('filesize: '+ fileSize + 'M'); alert ('filename:' + fileName);} $ (document ). ready (function () {}); </script>