Calculator/script.js at main · kumar-aditya101/Calculator · GitHub

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enter = (val) => {
  document.getElementById("InputBox").value += val;
};

solve = () => {
  let x = document.getElementById("InputBox").value;
  if (x === "") alert("Please enter some values ");
  else {
    try {
      if (x.includes("%", x.length - 1) && x.length > 1) {
        x = x.slice(0, -1);
        let a = eval(x);
        a = a / 100;
        document.getElementById("InputBox").value = a;
        return;
      }
      let y = eval(x);
      document.getElementById("InputBox").value = y;
    } catch (error) {
      alert("Your expression is wrong ");
    }
  }
};

back = () => {
  document.getElementById("InputBox").value = document
    .getElementById("InputBox")
    .value.slice(0, -1);
};

cls = () => {
  document.getElementById("InputBox").value = " ";
};