<script type="text/javascript">

layui.use(['layer'], function(){

$ = layui.juqery;

layer = layui.layer;

});

function dologin(){

var username = $('#username').val();

var pwd = $('#pwd').val();

var verifycode = $('#verifycode').val();

if (username == '') {

layer.alert('Sila masukkan nama pengguna',{icon:2});

return;

}

jika (pwd == '') {

layer.alert('Sila masukkan kata laluan',{ikon:2});

kembali;

}

jika (kod pengesahan == '') {

layer.alert('Sila masukkan kod pengesahan',{ikon:2});

kembali;

}

}

</script>:Urror bukan fungsi