score:4

Accepted answer

you can reach the datalabel via this.datalabel within the point events for the series:

series: {
    point: {
        events: {
            mouseover: function (e) {
                this.datalabel.css({
                    fontsize: "30px",
                });
            },
            mouseout: function (e) {
                this.datalabel.css({
                    fontsize: "12px",
                });
            }
        }
    }
}

demo

score:0

is the datalabel you are referring to in html? if you want to access datalabel you can do this in javascript like this (assuming the html element is an id):

document.getelementbyid("datalabel").setattribute("style", "font-size: 20px");

this would set datalabel's font size to 20px. you can put this inside the mouse event function you desire.


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