TableView Indexes require an array of [{index: i, title: first_char_name}] this loop creates the rows + the index array

TableView Index Array Creator

var indexArray = [];
var currentChar = '';
var lastChar = '';
// the Array e.places is already sorted alphabetically from ACS with order:'name' in query
for (var i = 0; i < e.places.length; i++) {
    var farm = e.places[i];
    // create an index of first chars of the farm name 
    currentChar = farm.name.charAt(0);
    if (i == 0) indexArray.push({title: currentChar, index: i});
    else {
        if (lastChar != currentChar) indexArray.push({title: currentChar, index: i});
    }
    arrayForTableView.push({ title: farm.name, selectedBackgroundColor:'#50C45A' } );
    lastChar = currentChar;
}