Function cacheElementStl

libs/echarts/echarts-en.simple.js:17109–17135

(el)

}

function cacheElementStl(el) {
    if (!el.__hoverStlDirty) {
        return;
    }
    el.__hoverStlDirty = false;

    var hoverStyle = el.__hoverStl;
    if (!hoverStyle) {
        el.__cachedNormalStl = el.__cachedNormalZ2 = null;
        return;
    }

    var normalStyle = el.__cachedNormalStl = {};
    el.__cachedNormalZ2 = el.z2;
    var elStyle = el.style;

    for (var name in hoverStyle) {
        // See comment in `singleEnterEmphasis`.
        if (hoverStyle[name] != null) {
            normalStyle[name] = elStyle[name];
        }
    }

    // Always cache fill and stroke to normalStyle for lifting color.
    normalStyle.fill = elStyle.fill;
    normalStyle.stroke = elStyle.stroke;
}

function singleEnterEmphasis(el) {
    var hoverStl = el.__hoverStl;