How to check file size when select multiple file validation using Jquery?
In this post we will give you information about How to check file size when select multiple file validation using Jquery?. Hear we will give you detail about How to check file size when select multiple file validation using Jquery?And how to use it also give you demo for it if it is necessary.
Sometimes we require to add validation of max file size using jquery, If we have only single file for validation then we can do it easily that, but if we have multiple file then you have to calculate size of all selected files and then check max required file size.
So, in this example you can see how to check validation for max size in multiple file select using jquery.
Example:
<html lang="en">
<head>
<title>Jquery - multiple image upload with size validation</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.js"></script>
</head>
<body>
<div >
<div >
<input type="file" id="fUpload" multiple />
<button>Save</button>
</div>
<script type="text/javascript">
$(document).ready(function(){
$('#fUpload').change(function(){
var fp = $("#fUpload");
var lg = fp[0].files.length; // get length
var items = fp[0].files;
var fileSize = 0;
if (lg > 0) {
for (var i = 0; i < lg; i++) {
fileSize = fileSize+items[i].size; // get file size
}
if(fileSize > 2097152) {
alert('File size must not be more than 2 MB');
$('#fUpload').val('');
}
}
});
});
</script>
</div>
</body>
</html>
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