이미지 캡쳐하기 귀찮아서 재활용한 프로폼트 화면...
뭇튼 숫자를 프로폼트로 받는다..... 그후 수정은 안됨...
사실 귀찮아서 더이상 수정안함.... 뭐 간단한 소스이니 자체적으로 수정할수 있을겁니다.
<script language="javascript">
var cnt = 0;
var i;
var j;
i = eval(prompt("첫번째 숫자입력1",""));
j = eval(prompt("두번째 숫자입력2",""));
/*
function input(x){
if(cnt == 0){
i = x;
cnt = 1;
form1.text1.value = i;
} else {
j = x;
cnt = 0;
form1.text1.value = i + j;
}
}
*/
function plus(){
total = eval(i+ "+" +j);
form1.text1.value = i + "+" + j + "=" + total;
alert(i + "+" + j + "=" + total);
document.bgColor="red";
}
function minus(){
total = eval(i+ "-" +j);
form1.text1.value = i + "-" + j + "=" + total;
alert(i + "-" + j + "=" + total);
document.bgColor="blue";
}
function div(){
total = eval(i+ "/" +j);
form1.text1.value = i + "/" + j + "=" + total;
alert(i + "/" + j + "=" + total);
document.bgColor="black";
}
function muti(){
total = eval(i+ "*" +j);
form1.text1.value = i + "*" + j + "=" + total;
alert(i + "*" + j + "=" + total);
document.bgColor="yellow";
}
</script>
</head>
<body>
<form name="form1">
<input type="button" value="0" onclick="input('0')" />
<input type="button" value="1" onclick="input('1')" />
<input type="button" value="2" onclick="input('2')" />
<input type="button" value="3" onclick="input('3')" />
<input type="button" value="4" onclick="input('4')" />
<br>
<input type="button" value="5" onclick="input('5')" />
<input type="button" value="6" onclick="input('6')" />
<input type="button" value="7" onclick="input('7')" />
<input type="button" value="8" onclick="input('8')" />
<input type="button" value="9" onclick="input('9')" />
<p>
<input type="text" name="text1" value="" />
<p>
<input type="button" value="덧셈" onclick="plus()" />
<input type="button" value="뺄셈" onclick="minus()" />
<input type="button" value="나눗셈" onclick="div()" />
<input type="button" value="곱셈" onclick="muti()" />
</form>
</body>
</html>
