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appgoodfastcheap.html
44 lines (40 loc) · 1.04 KB
/
appgoodfastcheap.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<table>
<tr>
<td><label><input type="checkbox" id="good" onclick="an1()"/> Good</label></td>
</tr>
<tr>
<td><label><input type="checkbox" id="fast" onclick="an2()"/> Fast</label></td>
</tr>
<tr>
<td><label><input type="checkbox" id="cheap" onclick="an3()"/> Cheap</label></td>
</tr>
</table>
<script>
let x = document.getElementById('good');
let y = document.getElementById('fast');
let z = document.getElementById('cheap');
function an1() {
if (x.checked && y.checked) {
z.checked = false;
}
}
function an2() {
if (y.checked && z.checked) {
x.checked = false;
}
}
function an3() {
if (z.checked && x.checked) {
y.checked = false;
}
}
</script>
</body>
</html>