Como fazer um gráfico de barra em JS
const g = document.getElementById("graph");
const graphData = {
title: "Wild Animals in Istanbul",
yAxis: "population",
data: [{
name: "pigeon",
value: 30,
color: "red"
},
{
name: "wolf",
value: 20,
color: "blue"
}
]
}
function createGraphIn(g, graphData) {
var yAxisName = graphData.yAxis;
var yAxis = document.createElement("div");
var yAxisContainer = document.createElement("div");
yAxis.classList.add('y-axis');
yAxisContainer.classList.add('y-axis-container');
yAxis.innerText = yAxisName;
yAxisContainer.appendChild(yAxis);
g.appendChild(yAxisContainer);
const numOfBars = graphData.data.length;
var barContainer = document.createElement("div");
barContainer.classList.add("bar-container");
for (var i = 0; i < numOfBars; i++) {
var currentData = graphData.data[i];
var bar = document.createElement("div");
bar.classList.add('bar');
bar.style.backgroundColor = currentData.color;
bar.style.height = currentData.value + "px";
barContainer.appendChild(bar);
var barDescription = document.createElement("p");
barDescription.classList.add('desc');
barDescription.innerText = currentData.name;
bar.appendChild(barDescription);
}
g.appendChild(barContainer);
}
createGraphIn(g, graphData);
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