ask for help
element margin sets 200px, that is, offsetleft and offsettop are 200px
legend, when my mouse slips in from above and triggers mouseenter, the detected mouse position is not the edge of the element
ask for a positive solution
$(".block").on("mouseenter", function () {
var e = event || window.event;
cliX = e.clientX;
cliY = e.clientY;
console.log("X" + cliX);
console.log("Y" + cliY);
})