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Simple D3 tooltip
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| <!DOCTYPE html> | |
| <html > | |
| <head> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.8/d3.min.js" type="text/JavaScript"></script> | |
| </head> | |
| <body> | |
| <div class="example_div"></div> | |
| <script type="text/javascript"> | |
| var tooltip = d3.select("body") | |
| .append("div") | |
| .style("position", "absolute") | |
| .style("z-index", "10") | |
| .style("visibility", "hidden") | |
| .text("a simple tooltip"); | |
| var sampleSVG = d3.select("example_div") | |
| .append("svg") | |
| .attr("class", "sample") | |
| .attr("width", 300) | |
| .attr("height", 300); | |
| d3.select("svg") | |
| .append("circle") | |
| .attr("stroke", "black") | |
| .attr("fill", "aliceblue") | |
| .attr("r", 50) | |
| .attr("cx", 52) | |
| .attr("cy", 52) | |
| .on("mouseover", function(){return tooltip.style("visibility", "visible");}) | |
| .on("mousemove", function(){return tooltip.style("top", (event.pageY-10)+"px").style("left",(event.pageX+10)+"px");}) | |
| .on("mouseout", function(){return tooltip.style("visibility", "hidden");}); | |
| </script> | |
| </body> | |
| </html> |
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