bufferIndexOf.js

(function indexOf(buffer, pattern) {
    for (var i = 0; i < buffer.length - pattern.length; i++) {
        if (buffer.slice(i, i + pattern.length).map(function(v, i) {
                return pattern[i] === v;
            }).filter(Boolean).length === pattern.length)
            return i;
    }
    return -1
})(temp1.data, [222, 2, 0, 76, 97]);