How to replace innerHTML of a div using jQuery?

<script type="text/javascript">
$(document).ready(function(){
 $("#firstime").html("put here html to place");

})
</script>

<div id="firstime">
i am here 
</div>

<script    src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
alert($("#firstime").html());

})
</script>