javascript - D3.js tooltip positioning -


so i'm trying create tooltip on line chart. i've done this

var tooltipdiv = d3.select('body')     .append('div')     .attr('class', 'tooltip')     .style('opacity', 0);

in mouseover function did this-

tooltipdiv.transition()     .duration(200)     .style("opacity",0.9); tooltipdiv.html(         "<div class='tooltip-val'>" + d[model.get('linetitle')] + "</div>" +          "<div class='tooltip-date'>" + date + "</div>"     )     .style("left", d3.event.pagex + "px")          .style("top", d3.event.pagey + "px");

but makes div appear in topleft , never around point @ mouse event happens.

why?


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