Function copyRgba

libs/echarts/echarts-en.simple.js:3832–3838

(out, a)

    return out;
}
function copyRgba(out, a) {
    out[0] = a[0];
    out[1] = a[1];
    out[2] = a[2];
    out[3] = a[3];
    return out;
}

var colorCache = new LRU(20);
var lastRemovedArr = null;