Use switch statement to deal with form input value
<html> <head> <title>Using the switch statement</title> <script language="JavaScript"> <!-- function verifyDay(form){ var myEntry = form.day.value.toUpperCase();
var firstPart = "You have entered a day at the first of the week";
var endPart = "You have entered a day at the end of the week";
var weekEnd = "You have entered a weekend day";
switch(myEntry){ case "MONDAY" : alert(firstPart); break; case "TUESDAY" : alert(firstPart); break; case "WEDNESDAY" : alert('You have entered a "hump" day'); break; case "THURSDAY" : alert(endPart); break; case "FRIDAY" : alert(endPart); break; case "SATURDAY" : alert(weekEnd); break; case "SUNDAY" : alert(weekEnd); break; default : alert('You have entered an invalid day'); } } --> </script> </head> <body> <form name="myForm"> <b>Please enter a day of the week:</b><br> <input type=TEXT value="" name="day"> <input type=BUTTON value="Verify" name="myButton" onClick='verifyDay(this.form)'> </form> </body> </html>