function divideBy() {
var w = document.getElementById("first").value;
var x = document.getElementById("second").value;
var y = w/x;
y = y.toFixed(2);
var z = y;
我計算了一些jQuery的變量,但不知道爲什麼,否則,如果條件沒有得到真正的請與下面的代碼 function roomCalc(){
var noOfAdults = 2; // this is dynamic //parseInt($('#adults').val());
var noOfChilds = 0;// this is dynamic parseInt($('#c