Goes with my gist 1219990

keypresscallback.js

function SearchFieldKeypressCallBack(event, value) {
    //if they entered anything, else use the default like on page load
    if (value) {
        //TIM: I was debouncing/throttling here
        GenerateReportTilesOnSuccess(GetItemsByText(value));
    } else {
        GenerateReportTilesOnSuccess(reportList.list);
    }
}
function GetItemsByText(text) {
    return reportList.list.filter(function (element) { return itemTextFilter(element, text) });
}
function itemTextFilter(element, text) {
    var caseSensitive = false;
    if (
            typeof element !== 'undefined' &&
            typeof text === 'string'
        ) {
        var t = '';
        for (var k in element) {
            var e = element[k];
            if (element.hasOwnProperty(k)) {
                if (typeof e === 'string') {
                    t += ' ' + e;
                }
            }
        }
        if (!caseSensitive) {
            t = t.toLowerCase();
            text = text.toLowerCase();
        }
        if (t.indexOf(text) !== -1) {
            return element;
        }
    }
}