score:2

You could just add the argument, that will link it to the data point. In my case, I was trying to hyperlink for each data point. The arguments has value passed, which can be used to update hyperlink as per requirement.

d3.selectAll(".nv-point").on("click", function (e) {    

alert(e[0].values[0]);
});

score:4

The line plot is made with svg lines, which have class nv-line. A fork of your original jsFiddle is here: http://jsfiddle.net/pnavarrc/qzwkn/1/

d3.selectAll(".nv-line").on("click", function () {
    alert("clicked");
});

If you feel like having a look at the source code of nvd3:

score:6

After much futzing around, this seems to work for me:

d3.select("#mainGraph svg").selectAll(".nv-point").style("pointer-events", "all").on("click", function( e ) { console.log( JSON.stringify( e ) ); });

Basically, the difference between what I've done and what you originally tries is just resetting overriding the stylesheet to turn on pointer-events, i.e. style("pointer-events", "all").`

score:9

You can easily attach a click handler to the "circle", or node point on a lineChart like this:

 chart.lines.dispatch.on('elementClick', function(e) {
     alert("You've clicked on " + e.series.key + " - " + e.point.x);
 });

In the above example, this will show the Key (of the line) and the exact x value of the node you've clicked on. I find it very helpful to set a breakpoint on the alert line, and using Chrome/FF/etc developer tools, inspect the thee object so you can see exactly what data is available and how to access it.


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