Validating Upload File Size And Type on Client Side

//Validating Upload File Size And Type on Client Side

<script type="text/javascript">

    function onSelect(e) {

        // Array with information about the uploaded files

        var files = e.files;

 

        if (files[0].size > 1048576) {

            alert("File Size Can't be more than 1MB");

            e.preventDefault();

        }

        if (files[0].extension != ".jpg") {

            alert("Just Pictures Files Are Allowed");

            e.preventDefault();

        }

    }

</script>