Data Type

  SOURCE CODE:
<script language = "javascript">
var dT1, dT2, dT3, dT4, dT5, dT6, dT7;
dT1 = "The total cost was $5.00.";
dT2 = 5.00;
dT3 = new Date();
dT4 = true;
dT5 = null;
dT6 = "";
document.write("dT1: " + typeof(dT1) + "<br>");
document.write("dT2: " + typeof(dT2) + "<br>");
document.write("dT3: " + typeof(dT3) + "<br>");
document.write("dT4: " + typeof(dT4) + "<br>");
document.write("dT5: " + typeof(dT5) + "<br>");
document.write("dT6: " + typeof(dT6) + "<br>");
document.write("dT6: " + typeof(dT6) + "<br>");
document.write("dT7: " + typeof(dT7));
</script>