script/language/method to make form calculate a cost?

jasperok · 2009-08-12 13:04:17

basicly i am trying to make my own booking page I canmake forms no hassle with drop down menus for options and the like but what i can't do is get each input to add or subtract a value from the total field at the bottom I'm not asking anyone to do it for me but if you could point me in the direction of what i should be…

12-08-2009 02:04PM

#1

jasperok

Closed Accounts Posts: 411 ✭✭

Join Date: December 2003

Posts: 301

basicly i am trying to make my own booking page

I canmake forms no hassle with drop down menus for options and the like but what i can't do is get each input to add or subtract a value from the total field at the bottom

I'm not asking anyone to do it for me but if you could point me in the direction of what i should be using to achieve this i can google away and figure it out i hope!

0

Comments

#2 13-08-2009 02:48AM

Liam Byrne

Closed Accounts Posts: 18,152 ✭✭✭✭

Join Date: October 2006

Posts: 17453

jQuery

$("select").onchange(function() {
  totalAmount=0;
  $("select").each(function() {
     totalAmount+=parseInt($(this).val());
  });
  $("#totalField").val(totalAmount);
});