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29 lines (26 loc) · 1.23 KB
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Copy pathscript.js
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29 lines (26 loc) · 1.23 KB
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let btnresult = document.getElementById("btnresult");
let btnReset = document.getElementById("btnReset");
btnresult.addEventListener("click", () => {
let userName = document.getElementById("username").value;
let oldMeterValue = Number(document.getElementById("oldMeterValue").value);
let newMeterValue = Number(document.getElementById("newMeterValue").value);
let printResult = document.getElementById("printResult");
const perUnit = Number(document.getElementById("perUnit").value);
if (oldMeterValue == "" || newMeterValue == "" || userName == "") {
alert("please enter All Values");
} else if (oldMeterValue <= newMeterValue) {
let subtractValue = newMeterValue - oldMeterValue; //because newMeterValue has greater than oldMeterValue
let finalValue = subtractValue * perUnit;
printResult.innerHTML = "Hii " + userName + " , " + finalValue;
} else {
alert(
"Enter correct Values, old meter values always less than new meter values",
);
}
});
btnReset.addEventListener("click", () => {
document.getElementById("username").value = "";
document.getElementById("oldMeterValue").value = "";
document.getElementById("newMeterValue").value = "";
document.getElementById("printResult").innerHTML = "";
});