index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
</head>
<style>
.viz-bar .bar{
fill: steelblue;
}
</style>
<body>
<svg width="960" height="500">
<g transform="translate(50,50)"></g>
</svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="//vizjs.org/viz.v1.3.0.min.js"></script>
<script>
var bar = viz.bar()
.data(Data())
var valueScale = d3.scaleLinear()
.domain([0,1])
.range([bar.height(),0])
d3.select("g").call(bar.valueScale(valueScale));
var flag=true;
setInterval(function(){
bar.data(bar.data().map(function(d){ return {key:d.key, value:flag ? 0 : Math.random()};})).transition();
flag=!flag;
}, 1250);
function Data(){
return d3.range(10).map(function(d,i){
return {key:i, value:Math.random()}
});
}
</script>