자바스크립트 계산기 소스
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<html>
<head>
<title>계산기 과제</title>
<script language="javascript">
<title>계산기 과제</title>
<script language="javascript">
var sss = document.getElementsByName("sss");
function calc(form)
{sss[0].value=eval(sss[0].value);}
{sss[0].value=eval(sss[0].value);}
function write2(input, character){
if(sss[0].value == null || sss[0].value == "0")
sss[0].setAttribute("value", character);
else
sss[0].value += character
}
function clear2()
{
sss[0].value ="";
}
</SCRIPT>
</head>
</head>
<body>
<form>
<table border="1" width="300" height="30">
<TR>
<TD ALIGN=CENTER><input type="text" name="sss" size= "39" readonly></TD>
<TD ALIGN=CENTER><input type="text" name="sss" size= "39" readonly></TD>
</TR>
</table>
<table border="1" width="300" height="30">
<TR>
<TD ALIGN=CENTER><input type = "button" name = "clear" value="Clear" onClick="clear2()"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "equl" value="=" onClick="calc()"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "equl" value="=" onClick="calc()"> </TD>
</TR>
</table>
<table border="1" width="300" height="100">
<TR>
<TD ALIGN=CENTER><input type = "button" name = "1" value="1" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "2" value="2" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "3" value="3" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "+" value="+" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "x^y" value="x^y"> </TD>
</TR>
</table>
<table border="1" width="300" height="100">
<TR>
<TD ALIGN=CENTER><input type = "button" name = "1" value="1" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "2" value="2" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "3" value="3" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "+" value="+" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "x^y" value="x^y"> </TD>
</TR>
<TR>
<TD ALIGN=CENTER><input type = "button" name = "4" value="4" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "5" value="5" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "6" value="6" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "-" value="-" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "sin" value="sin"> </TD>
</TR>
<TR>
<TD ALIGN=CENTER><input type = "button" name = "7" value="7" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "8" value="8" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "9" value="9" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "*" value="*" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "cos" value="cos"> </TD>
</TR>
<TR>
<TD ALIGN=CENTER><input type = "button" name = "0" value="0" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "x/-" value="x/-"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "." value="."> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "/" value="/" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "tan" value="tan"> </TD>
</TR>
</table>
<TD ALIGN=CENTER><input type = "button" name = "4" value="4" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "5" value="5" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "6" value="6" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "-" value="-" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "sin" value="sin"> </TD>
</TR>
<TR>
<TD ALIGN=CENTER><input type = "button" name = "7" value="7" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "8" value="8" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "9" value="9" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "*" value="*" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "cos" value="cos"> </TD>
</TR>
<TR>
<TD ALIGN=CENTER><input type = "button" name = "0" value="0" onClick="write2('', this.value)"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "x/-" value="x/-"> </TD>
<TD ALIGN=CENTER><input type = "button" name = "." value="."> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "/" value="/" onClick="write2('', this.value)"> </TD>
<TD></TD>
<TD ALIGN=CENTER><input type = "button" name = "tan" value="tan"> </TD>
</TR>
</table>
</form>
<script language="javascript">
</SCRIPT>
</body>
</html>
</SCRIPT>
</body>
</html>
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