3.5 data loading

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<body>
  

<p id="h1">DATA LOADING</p>
<div id="link">by
<a href="https://slides.com/sandravizmad">SANDRA</a></div>  
  
<script>

//Margin conventions
var m = {top:100, right:50, bottom:50, left:40}
    w = 700 - m.left - m.right,
    h = 700 - m.top - m.bottom;

//Container
var svg = d3.select("body")
	  .append("svg")
    .attr("width", w + m.left + m.right)
    .attr("height", h + m.top + m.bottom)
    .append("g")
		.attr("transform", `translate(${m.left}, ${m.top})`);

//Data loading writing in the console
d3.csv(
  "https://gist.githubusercontent.com/sandravizz/7287d19eee4e427d988282dbcf81faaa/raw/43c49dafb55d5e92a379787c39fb9d496384453a/test",
   data => {
   console.log (data);
   });

//Make sure all variables are numbers
function prepare (d) {
  d.x = +d.x;
  d.y = +d.y;
  return d;
}

//Data loading call type function
d3.csv(
  "https://gist.githubusercontent.com/sandravizz/7287d19eee4e427d988282dbcf81faaa/raw/43c49dafb55d5e92a379787c39fb9d496384453a/test",
   prepare,
   data => {
   console.log(data);
   });

//Data loading for each
d3.csv(
  "https://gist.githubusercontent.com/sandravizz/7287d19eee4e427d988282dbcf81faaa/raw/43c49dafb55d5e92a379787c39fb9d496384453a/test",
  c => {
      c.forEach (
        d => {
        console.log (d.x + ", " + d.y);
        })
   });

</script>
</body>
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https://d3js.org/d3.v3.min.js