<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script type="text/javascript">
window.onload = function(){
(function(){
var date = new Date();
var time = date.getHours();
if (time < 10) {
document.getElementById("abc").style.display = "none";
}
})();
};
</script>
<div></div>
<div id="abc"><input type="text" value="123" id="abc"></div>
</body>
</html>
Простой