لوحة المتصدرين

لم تعمل معي /*global console, alert, prompt*/ var oldQuantity_input = document.getElementById("oldQuantity").value, oldCost_input = document.getElementById("oldCost").value, newQuantity_input = document.getElementById("newQuantity").value, newCost_input = document.getElementById("newCost").value, TotalQuantity_output = oldQuantity_input + newQuantity_input, // إجمالي الكمية TotalCost_output = oldCost_input + newCost_input, // إجمالي التكلفة newPrice_output = TotalCost_output / TotalQuantity_output, // السعر الجديد المعدل textToNum = parseInt(oldQuantity_input, oldCost_input, newQuantity_input, newCost_input, TotalCost_output, TotalQuantity_output, newPrice_output); function cacl() { "use strict"; document.getElementById("Caclulate").innerHTML = newPrice_output; } أصبحت النتيجة undefined