script.js

// temperature converter
const inputFahrenheit = document.getElementById("inputFahrenheit");
const inputCelsius = document.getElementById("inputCelsius");
const inputKelvin = document.getElementById("inputKelvin");

function fahrenheitConverter(value) {
  inputCelsius.value = ((value - 32) / 1.8).toFixed(2); // ℃=(℉-32)/1.8
  inputKelvin.value = ((value - 32) / 1.8 + 273.15).toFixed(2); // K=((℉-32)/1.8)+273.15
}

function celsiusConverter(value) {
  inputFahrenheit.value = (value * 1.8 + 32).toFixed(2); // ℉=(℃*1.8)+32
  inputKelvin.value = (Number(value) + 273.15).toFixed(2); // K=℃+273.15
}

function kelvinConverter(value) {
  inputFahrenheit.value = ((value - 273.15) * 1.8 + 32).toFixed(2); // ℉=((K-273.15)*1.8)+32
  inputCelsius.value = (value - 273.15).toFixed(2); // ℃=K-273.15
}

document.getElementById('clear').onclick = clearForm;
function clearForm() {
    document.getElementById('inputFahrenheit').value = '';
    document.getElementById('inputCelsius').value = '';
    document.getElementById('inputKelvin').value = '';
} 
// loader
$(window).on("load", () => {
  $("body").css(
    "overflow",
    "hidden",
    setTimeout(() => {
      $("body").css("overflow-y", "visible");
    }, 1800)
  );
  setTimeout(removeLoader, 1700);
});

function removeLoader() {
  $("#loadingDiv").fadeOut(500, () => {
    $("#loadingDiv").remove();
  });
}