<h5>选择简单</h5>
<script>
var c = [9, 5, 2, 7];
for (var j = 0; j < c.length - 1; j++) {
for (var i = j + 1; i < c.length; i++) {
if (c[j] > c[i]) {
var temp = c[j];
c[j] = c[i];
c[i] = temp;
}
}
}
document.write(c);
</script>
<br><br>
<h5>选择复杂</h5>
<script>
var d = [9, 5, 2, 7];
for (var j = 0; j < d.length - 1; j++) {
var min = j;
for (var i = j + 1; i < d.length; i++) {
if (d[min] > d[i]) {
min = i;
}
}
if (min != j) {
var temp = d[j];
d[j] = d[min];
d[min] = temp;
}
}
document.write(d);
</script>