Performs a binary search on the host array.

Thanks to Oliver Caldwell for this snippet, https://oli.me.uk/2013/06/08/searching-javascript-arrays-with-a-binary-search/

@param {*} array The array to search.
@param {*} searchElement The item to search for within the array.
@return {Number} The index of the element which defaults to -1 when not found.
function(array, searchElement) {
        var minIndex = 0;
        var maxIndex = array.length - 1;
        var currentIndex;
        var currentElement;
     
        while (minIndex <= maxIndex) {
            currentIndex = (minIndex + maxIndex) / 2 | 0;
            currentElement = array[currentIndex];
     
            if (currentElement < searchElement) {
                minIndex = currentIndex + 1;
            } else if (currentElement > searchElement) {
                maxIndex = currentIndex - 1;
            } else {
                return currentIndex;
            }
        }
     
        return -1;
    }