Reputation: 23
I made a simple change calculator. After playing with the code, I managed to make it calculate the values I needed but I can't make it populate my form. If I use alert
, the function is right but if I try to use innerHTML
to fill the fields, nothing happens. I am really stuck on this one. :(
var quarters;
var dimes;
var nickels;
var pennies;
function Calculate() {
if (cents >= 25) {
quarters = Math.floor(cents / 25);
var qreminder = cents % 25;
if (qreminder <= 24) {
dimes = Math.floor(qreminder / 10);
var dreminder = qreminder % 10;
}
if (dreminder < 10) {
nickels = Math.floor(dreminder / 5);
var nreminder = dreminder % 5;
}
if (nreminder < 5) {
pennies = nreminder / 1;
}
document.getElementById("quarters").innerHTML = quarters;
document.getElementById("dimes").innerHTML = dimes;
document.getElementById("nickels").innerHTML = nickels;
document.getElementById("pennies").innerHTML = pennies;
}
if (cents < 25) {
quarters = Math.floor(cents / 25);
var qreminder = cents % 25;
if (qreminder <= 24) {
dimes = Math.floor(qreminder / 10);
var dreminder = qreminder % 10;
}
if (dreminder < 10) {
nickels = Math.floor(dreminder / 5);
var nreminder = dreminder % 5;
}
if (nreminder < 5) {
pennies = nreminder / 1;
}
document.getElementById("quarters").innerHTML = quarters;
document.getElementById("dimes").innerHTML = dimes;
document.getElementById("nickels").innerHTML = nickels;
document.getElementById("pennies").innerHTML = pennies;
}
}
var cents = document.getElementById("cents").value;
document.getElementById("calculate").addEventListener("click", Calculate);
<div id="content">
<h1>Change Calculator</h1>
<label>Enter number of cents (0-99):</label>
<input type="text" id="cents" />
<input type="button" value="Calculate" name="calculate" id="calculate" /><br />
<p> </p>
<label>Quarters:</label>
<input type="text" id="quarters" class="disabled" disabled="disabled" /><br />
<label>Dimes:</label>
<input type="text" id="dimes" class="disabled" disabled="disabled" /><br />
<label>Nickels:</label>
<input type="text" id="nickels" class="disabled" disabled="disabled" /><br />
<label>Pennies:</label>
<input type="text" id="pennies" class="disabled" disabled="disabled" /><br />
<p> </p>
Upvotes: 0
Views: 67
Reputation: 608
Setting the .innerHTML property of <input>
types will not do anything. Instead, set the .value property of those elements.
document.getElementById("quarters").value = quarters;
document.getElementById("dimes").value = dimes;
document.getElementById("nickels").value = nickels;
document.getElementById("pennies").value = pennies;
Upvotes: 1