Grafika: D3.js
D3.js — ma’lumotlar asosida HTML’ni boshqarish uchun JavaScript kutubxonasi.
D3.js’dan qanday foydalaniladi?
Veb-sahifangizda D3.js’dan foydalanish uchun kutubxonaga havola qo‘shing:
<script src="//d3js.org/d3.v3.min.js"></script>
D3.js’dan foydalanish oson.
Bu skript body elementini tanlaydi va unga "Hello World!" matnli paragraf qo‘shadi:
d3.select("body").append("p").text("Hello World!");
Nuqtali diagramma
Misol
// Set Dimensions
const xSize = 500;
const ySize = 500;
const margin = 40;
const xMax = xSize - margin*2;
const yMax = ySize - margin*2;
// Create Random Points
const numPoints = 100;
const data = [];
for (let i = 0; i < numPoints; i++) {
data.push([Math.random() * xMax, Math.random() * yMax]);
}
// Append SVG Object to the Page
const svg = d3.select("#myPlot")
.append("svg")
.append("g")
.attr("transform","translate(" + margin + "," + margin + ")");
// X Axis
const x = d3.scaleLinear()
.domain([0, 500])
.range([0, xMax]);
svg.append("g")
.attr("transform", "translate(0," + yMax + ")")
.call(d3.axisBottom(x));
// Y Axis
const y = d3.scaleLinear()
.domain([0, 500])
.range([ yMax, 0]);
svg.append("g")
.call(d3.axisLeft(y));
// Dots
svg.append('g')
.selectAll("dot")
.data(data).enter()
.append("circle")
.attr("cx", function (d) { return d[0] } )
.attr("cy", function (d) { return d[1] } )
.attr("r", 3)
.style("fill", "Red");
W3Schools Pathfinder
Yutuqlaringizni kuzating – bu bepul!