JavaScript 사례: 주택 담보 대출 계산기

데이터 시트
A                                    B                    C
                   70000.00                 /  
                        382.50                     /  / 
                      50.50                       /  / 
                         200                           
                     40%                           (         )
                     4%


                    5600000.00                                   :B1*B4*B5
                    8400000.00                                    :B1*B4*(100%-B5)
                 28000.00                   /                :B9*B6/12
                     76500.00                    /                :B2*B4
                   10100.00                    /                :B4*B3



         
    
    
    
//             
//            
//  :1.    
//2.          test.js  house.js(        )
//3.    
//    
    
    


/
     : /
    : /
     : /
     :
%
.init{
    background: #F5F5F5;
    font-weight: bold;
    color: #000000;
}
.wrong{
    background: #F5F5F5;
    font-weight: bold;
    border:1px #FF0000 solid;
    color: #000000;
}
.right{
    background: #F5F5F5;
    font-weight: bold;
    border:1px #00FF00 solid;
    color: #000000;
}
.title{
    font-weight: bold;
    font-size: 26px;
}
window.onload=function(){
    document.getElementById("unitprice").addEventListener("blur",validateUnitprice,false);
    document.getElementById("rent").addEventListener("blur",validateRent,false);
    document.getElementById("cost").addEventListener("blur",validateCost,false);
    document.getElementById("area").addEventListener("blur",validateArea,false);
    document.getElementById("interest").addEventListener("blur",validateInterest,false);
    var trElement=document.all("tabRow");
    for(var x=0;x
function validateEmpty(eleName){
    var obj =document.getElementById(eleName);
    var msg =document.getElementById(eleName+"Msg");
    if (obj.value!="") {
        obj.className="right";
        if (msg!=null) {
            msg.innerHTML="";
        }
        return true;
    }else{
        obj.className="wrong";
        if (msg!=null) {
            msg.innerHTML="";
    }
    return false;
   }
}
function validateRegex(eleName,regex){
    var obj =document.getElementById(eleName);
    var msg =document.getElementById(eleName+"Msg");
    if (regex.test(obj.value)) {
        obj.className="right";
        if (msg!=null) {
            msg.innerHTML="";
        }
        return true;
    }else{
        obj.className="wrong";
        if (msg!=null) {
            msg.innerHTML="";
    }
    return false;
    }
}
function changeColor(obj,color){
        obj.bgColor=color;
}
//    
function round(num,scale){
    var result=Math.round((num*Math.pow(10,scale)))/(Math.pow(10,scale));
    return result;
}

 

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