use this for searching a javascript array for partial matches

getIndex.js

Array.prototype.getIndexes = function(what) {
    var indexes = [], what = what.toLowerCase();
    if (!what.length)
        return indexes;
    this.forEach(function(el, index) {
        console.log(el.toLowerCase().indexOf(what))
        if (el.toLowerCase().indexOf(what)!=-1)
            indexes.push(index);
    });
    return indexes;
}