conditional rendering alert if input fields are empty
function candidateNames() {
var inputs = document.getElementsByTagName("input");
var result = [];
for ( var i = 0; i < inputs.length; i += 1 ) {
result[i] = inputs[i].value;
if (inputs[i].value == '') { // check if value is empty
alert('Need to fill inputs');
return; // stop the function
}
}
document.getElementById("candidateName1").innerHTML = result[0];
document.getElementById("candidateName2").innerHTML = result[1];
document.getElementById("candidateName3").innerHTML = result[2];
}
//Event listener to calculate button to call all above functions
document.getElementById("btn").addEventListener("click", calculateVotes, false);
function calculateVotes() {
candidateNames();
}