score:0
Accepted answer
i tried to give you some starting point by editing your script,.. please take a look
// note : please add position:relative to #mdview html element.
var tooltip = d3.select("#mdview") // changed the selector
.append("div")
.style("position", "absolute")
.style("z-index", "10")
.style("padding", "10px")
.style("background-color", "#333")
.style("border-radius", "5px")
.style("color", "#fff")
.style("opacity", "0");
var node = svg.selectall(".node")
.data(graph.nodes)
.enter().append("g")
.attr("class", "node")
.call(force.drag)
/* added these two events */
.on('mousemove',function(d,i){
console.log(d);
tooltip
.style('top',d.y+'px')
.style('left',d.x+'px')
.style('opacity',1)
.html('size : '+d.size);
}).on('mouseleave',function(){
tooltip
.style('opacity',0)
.html('');
});
please keep in mind this is just a starter point for you , if you need more help please just ask.
hope it helps.
Source: stackoverflow.com
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