12 lines
462 B
JavaScript
12 lines
462 B
JavaScript
function validateFileInput() {
|
|
const fileInput = document.querySelector('input[type="file"]');
|
|
const filePath = fileInput.value;
|
|
const allowedExtensions = /(\.xlsx|\.xls)$/i;
|
|
|
|
if (!allowedExtensions.exec(filePath)) {
|
|
alert("Please upload a valid Excel file (.xlsx or .xls only).");
|
|
fileInput.value = '';
|
|
return false;
|
|
}
|
|
return true;
|
|
} |