<!DOCTYPE html>
<html>
<head>
<link href='https://fonts.googleapis.com/css?family=Odor+Mean+Chey' rel='stylesheet'>
</head>
<body style="font:14px/1.5 'Odor Mean Chey'">
<script>
function validateForm() {
var valf = document.forms["myForm"]["ffile"].value;
if(valf == ""){
alert("អ្នកត្រូវជ្រើសរើសយកឯកសារណាមួយ។");
return false;
}
}
</script>
</body>
</html>
នៅលើបន្ទាត់លេខ 9 គឺជាការបង្កើតធាតុ HTML មួយដែលមានប្រភេទជា File Uoload ដែលអនុញ្ញាតអោយយើងអាច upload ឯកសារគ្រប់ប្រភេទទៅទុកនៅលើ server ។ ហើយបើយើងចង់ upload ឯកសារជាច្រើនក្នុងពេលតែមួយ យើងត្រូវថែមសម្បត្តិម្យ៉ាង (attribute) ដែលជាពាក្យថា multiple ចូលទៅក្នុងនោះ (<input type="file" id="myfile" name="ffile" multiple >) ៕
Input FileUpload Object Properties
| Property | Description |
|---|---|
| accept | Sets or returns the value of the accept attribute of the file upload button |
| autofocus | Sets or returns whether a file upload button should automatically get focus upon page load |
| defaultValue | Sets or returns the default value of the file upload button |
| disabled | Sets or returns whether the file upload button is disabled, or not |
| files | Returns a FileList object that represents the file or files selected with the file upload button |
| form | Returns a reference to the form that contains the file upload button |
| multiple | Sets or returns whether a user is allowed to select more than one file in the file upload field |
| name | Sets or returns the value of the name attribute of the file upload button |
| required | Sets or returns whether a file in the file upload field must be selected before submitting a form |
| type | Returns which type of form element the file upload button is |
| value | Returns the path or the name of the selected file |
