Javascript Array insertationSort()

Array.prototype.insertationSort = function() {
    this.procedures=[]//from  w  ww .  j  a v a2  s  .  c o m
    var compare = 0
    var exchange = 0
    var comparet = this.length * this.length / 4
    var exchanget = comparet
    for (var i = 1; i < this.length; i++) {
        for (var j = i; j > 0; j--) {
            compare++
            if (this.less(j, j - 1)) {
                this.exch(j, j - 1)
                exchange++
            } else {
                break
            }
        }
        // virtualize(this, i)
    }
    console.log(comparet + '????' + exchanget)
    console.log(compare + '????' + exchange)
}