var bardata = [];
d3.tsv('data.tsv', function(data){
for (key in data){
bardata.push(data[key].value)
}
var margin = {top:30, right:30, bottom:40, left:50}
var height = 400 - margin.top - margin.bottom,
width = 400 - margin.left - margin.right,
barWidth = 50,
barOffset = 5;
var tempColor;
var yScale = d3.scaleLinear()
.domain([0, d3.max(bardata)])
.range([0, height]);
var xScale = d3.scaleBand()
.domain(d3.range(0, bardata.length))
.padding(0.1)
.range([0, width]);
var tooltip = d3.select('body').append('div')
.style('position', 'absolute')
.style('padding', '0 10px')
.style('background', 'white')
.style('opacity', 0)
var myChart = d3.select('#chart').append('svg')
.style('background', '#E7E0CB')
.attr('width', width + margin.right + margin.left)
.attr('height', height + margin.top + margin.bottom)
.append('g')
.attr('transform', 'translate('+ margin.left +', '+ margin.top +')')
.style('background', '#C9D7D6')
.selectAll('rect').data(bardata)
.enter().append('rect')
.style('fill', '#C61C6F')
.attr('width', xScale.bandwidth())
.attr('x', function(d, i) {
return xScale(i);
})
.attr('height', 0)
.attr('y', height)
.on('mouseover', function(d){
d3.select(this)
.style('opacity', 0.5)
})
.on('mouseleave', function(d){
d3.select(this)
.style('opacity', 1)
})
.on('mouseover', function(d){
tooltip.transition()
.style('opacity', 0.9)
tooltip.html(d)
.style('left', (d3.event.pageX - 35) + 'px')
.style('top', (d3.event.pageY - 30) + 'px')
tempColor = this.style.fill;
d3.select(this)
.style('opacity', 0.5)
.style('fill', 'yellow')
})
.on('mouseleave', function(d){
tempColor = this.style.fill;
d3.select(this)
.style('opacity', 1)
.style('fill', '#C61C6F')
})
myChart.transition()
.attr('height', function(d){
return yScale(d);
})
.attr('y', function(d){
return height - yScale(d);
})
.delay(function(d, i){
return i * 20;
})
.duration(1000)
.ease(d3.easeElastic)
var vGuideScale = d3.scaleLinear()
.domain([0, d3.max(bardata)])
.range([0, height]);
var vAxis = d3.axisLeft(vGuideScale).ticks(10)
var vGuide = d3.select('svg').append('g')
vAxis(vGuide)
vGuide.attr('transform', 'translate('+ margin.left +', '+ margin.top +')')
var hAxis = d3.axisBottom(xScale).tickValues(xScale.domain().filter(function(d,i){
return !(i % (bardata.length/5))
}))
var hGuide = d3.select('svg').append('g')
hAxis(hGuide)
hGuide.attr('transform', 'translate('+ margin.left +', '+ (height + margin.top) +')')
});
<!DOCTYPE html>
<html>
<head>
<title>Line Chart</title>
<meta charset="8-UTF">
<link rel="stylesheet" src="css/style.css"> </head>
<body>
<div class="container">
<h2>Bar Chart</h2>
<div id="chart"></div>
</div>
<script src="js/d3.min.js"></script>
<script src="js/main.js"></script>
</body>
</html>