el.onmousemove = function (e) {
e = e || window.event;
if (!self._enterable) {
// Try trigger zrender event to avoid mouse
// in and out shape too frequently
var handler = zr.handler;
eventUtil.normalizeEvent(container, e, true);
handler.dispatch('mousemove', e);
}
};
el.onmousemove = function (e) {
e = e || window.event;
if (!self._enterable) {
// `pointer-events: none` is set to tooltip content div
// if `enterable` is set as `false`, and `el.onmousemove`
// can not be triggered. But in browser that do not
// support `pointer-events`, we need to do this:
// Try trigger zrender event to avoid mouse
// in and out shape too frequently
var handler = zr.handler;
eventUtil.normalizeEvent(container, e, true);
handler.dispatch('mousemove', e);
}
};