How I can make Basic Calculator in JavaScript?
a function that takes two numbers and a mathematical operator + - / * and will perform a calculation with the given numbers.
1 Answer
This is a very cool function you can try
function calculator(num1,operator,num2) {
return {
'+': num1 + num2,
'-': num1 - num2,
'*': num1 * num2,
'/': num2 ? num1 / num2 : 'Cannot divide by 0!'
}[operator]
}
Example
calculator(5,'+',1) // 6
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