Calculate two values in JavaScript
Calculate two values in JavaScript
function Calc(){
var a,b,result;
var v1,v2;
a=frm1.txt1.value
b=frm1.txt2.value
b=frm1.txt2.value
c=frm1.txt3.value
v1=parseInt(a);
v2=parseInt(b);
switch(c){
case "+":
result=v1+v2;
frm1.txt4.value=result;
break;
case "-":
result=v1-v2;
frm1.txt4.value=result;
break;
case "*":
result=v1*v2;
frm1.txt4.value=result;
break;
case "/":
result=v1/v2;
frm1.txt4.value=result;
break;
case "%":
result=v1%v2;
frm1.txt4.value=result;
break;
case "":
alert("Please Enter any Operator")
break;
default:
alert("Please Enter the Specific Operator")
}
}
function resetBtn(){
frm1.txt1.value=""
frm1.txt2.value=""
frm1.txt3.value=""
frm1.txt4.value=""
}
</Script>
</head>
<body>
<form name="frm1">
<p>
Value 1
<input type="text" name="txt1" size="20"> </p>
<p>
Operator
<input type="text" name="txt3" size="5"></p>
<p>
Value 2 <input type="text" name="txt2" size="20"></p>
<p>
Result
<input type="text" name="txt4" size="20"> </p>
<p>
<input type="button" name="btn1" value="Calculate" onClick="Calc();">
<input type="button" value="Reset" name="btn2" onClick="resetBtn()"></p>
</form>
