Created
May 16, 2017 09:11
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Problem</title> | |
| <script> | |
| window.addEventListener('load', function(event) { | |
| var form = document.getElementById('uploader'); | |
| var file_upload = document.getElementById('file_upload'); | |
| form.addEventListener('submit', function(e) { | |
| e.preventDefault(); | |
| if (file_upload.files.length === 0) { | |
| window.alert('not enough files!'); | |
| } | |
| if(file_upload.files.length > 0) { | |
| this.submit(); | |
| } | |
| }); | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <form id='uploader' onsubmit=''> | |
| <input type="file" name="files" id="file_upload" multiple /> | |
| <input type="submit" value="Upload Filles" id='submit_files' /> | |
| </form> | |
| </body> | |
| </html> |
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