<html>
<script type="text/javascript">
function shellSort(array) {
function swap(array, i, k) {
var temp = array[i];
array[i] = array[k];
array[k] = temp;
}
var length = array.length,
gap = Math.floor(length / 2);
while (gap > 0) {
console.log("Current gap changed to be: " + gap);
for (var i = gap; i < length; i++) {
console.log( "in current loop, i = " + i + " gap: " + gap);
for (var j = i; 0 < j; j -= gap) {
console.log("in current loop, gap is fixed as: " + gap + " current j: " + j);
var left = j - gap;
console.log(" trying to evaluate left: " + left + " right: " + j);
var abapLeft = left + 1;
var abapRight = j + 1;
console.log(" the corresponding ABAP index, LEFT: " + abapLeft + " RIGHT: " + abapRight);
console.log(" array[left]: " + array[left] + " array[right]: " + array[j]);
if (array[j - gap] > array[j]) {
swap(array, j - gap, j);
} else {
break;
}
}
}
gap = Math.floor(gap / 2);
}
return array;
}
var input = [9,4,1,2,3,4,5];
var result = shellSort(input);
debugger;
</script>
</html>
