src/charts/scatter-plot.js
function handleMouseOver (e, d) {
            dispatcher.call('customMouseOver', e, d, d3Selection.mouse(e));
        }
function handleMouseOver (e, d) {
            dispatcher.call('customMouseOver', e, d, d3Selection.mouse(e));
        }
function handleMouseOver ( e , d ) { dispatcher . call ( 'customMouseOver' , e , d , d3Selection . mouse ( e ) ) ; }
Handler called on mouseover event
@return {void}
@private
Handler called on mouseover event