<div>(mouseover)="mouseEnter($event)" (mouseout)="mouseLeave($event)"</div>

<div>(mouseenter)="mouseEnter($event)" (mouseleave)="mouseLeave($event)"</div>


mouseEnter(event) {
        console.log("mouse enter" + event);
    }

mouseLeave(event) {
    console.log("mouse leave" + event);

}