javascript - d3.js mouseover overlapping circles -


i trying solve problem overlapping circles larger circles prevent mouseover event on smaller ones. here have far demonstrate problem: http://bl.ocks.org/lilyc5459/raw/a35687613ab0f4991f37/

the code can found here: http://bl.ocks.org/lilyc5459/a35687613ab0f4991f37

any ideas how solve appreciated! thanks.

you should sort received data padeedits field in descending order, bigger circles inserted before smaller , there won't overlapping more.

so modify code way:

  ...   svg.selectall(".loading").remove();    // code block inserting    data.sort(function(a,b) {     if (a.pageedits > b.pageedits)       return -1;     if (a.pageedits < b.pageedits)       return 1;     return 0;   });    // end of block    svg.selectall("circle")     .data(data)     .enter()     .append("circle")    ...

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