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Jscript calculation within form

Have a form with three types of room cleaning services, each with their own price per room. When the number of rooms is chosen for one or more of the types I want it to calculate the total price.
calc-roomclean.html
0
gardena
Asked:
gardena
1 Solution
 
SANDY_SKCommented:
Use This script
<SCRIPT>
var basicRoomCost = 20;
var standardRoomcost = 30;
var executiveRoomCost = 40;

function updatesum(){
	var numBasic = document.getElementsByName('basicroom')[0].value;
	var numStandard = document.getElementsByName('standardroom')[0].value;
	var numExecutive = document.getElementsByName('executiveroom')[0].value;

	var total = (numBasic*basicRoomCost)+(numStandard*standardRoomcost)+(numExecutive*executiveRoomCost);

	document.getElementsByName('totalValue')[0].value = total;
}
</SCRIPT>

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calc-roomclean.html
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gardenaAuthor Commented:
Thanks for your prompt reply, that works very well.
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