I made a calculator in JavaScript. Now, I want to rename my functions, variables, and input names. But I don't know how.
Here is my codes:
function Calc() {
var num1 = +txt1.value;
var num2 = +txt2.value;
var ch = +optxt.value;
var result;
if (ch == 1) {
result = num1 + num2;
}
if (ch == 2) {
result = num1 - num2;
}
if (ch == 3) {
result = num1 * num2;
}
if (ch == 4) {
result = num1 / num2;
}
if (ch == 5) {
result = Math.pow(num1, num2);
}
if (ch == 6) {
result = Math.pow(num1, 1 / num2);
}
p.innerHTML = result;
}
<script src="calculator-1.js"></script>
<input type="text" id="txt1" />
<br>
<input type="text" id="optxt" />
<br>
<input type="text" id="txt2" />
<br>
<button onclick="Calc()">Calculate</button>
<p id="p"></p>
Note: I just want to change names.