Insertion sort - swap

insertionSort.js

function insertionSort(data) {
    for(var i=1;i<data.length;i+=1) {
        for(var j=i-1;j>=0&&data[j+1]<data[j];j-=1) {
            swap(data,j,j+1);
        }
    }   
    return data;
}

function swap(data,a,b) {
    var tmp = data[a];
    data[a] = data[b];
    data[b] = tmp;
}