text() – Sets or returns the text content of selected elements

html() – Sets or returns the content of selected elements (including HTML markup)

val() – Sets or returns the value of form fields

<input type="text" id="values">
<script>
alert($("#values").val());
</script>

<div id="dv1">jquery</div>
<script>
alert($("#dv1").text());
</script>