Incorporating HTML markup into D3.js text elements

I am attempting to incorporate a link into my text utilizing D3. While constructing a list, I also want to provide the option to delete items from said list. Here is the snippet of code in question:

            for (i in comparison) {
            var t = d3.select("#comparison")
                    .select("ul")
                    .append("li")
                    .text('<a onClick="removeItemComparison(' + i + ')">[X]</a> | ' + comparison[i].properties.BCNAAM);
                  }

Unfortunately, instead of displaying a clickable hyperlink, the code gets inserted as a string.

I have attempted searching for solutions, but I am unsure which search terms to utilize. Your assistance would be greatly appreciated!

javascriptd3.js

Answer №2

If you're searching for a way to add event listeners to your items in D3, the selection.on() method is what you need. This method allows you to easily assign event handlers to your elements, simplifying the process of handling removal actions.

Instead of using...

.text('<a onClick="removeItemComparison(' + i + ')">[X]</a> | ' + comparison[i].properties.BCNAAM);

You can achieve a similar result by utilizing...

.on('click', function(i) { ...doStuffHere })

For more information on the on() method, check out the API Reference page at https://github.com/mbostock/d3/wiki/Selections#on.

I haven't personally had to directly insert HTML text into my D3 code before, so I may not be able to offer much guidance on that aspect.

I hope this explanation clarifies things for you!

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