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Here is my code:
<html>
<head>
<meta charset="UTF-8">
<title>circle</title>
</head>
<body>
<script src="http://d3js.org/d3.v4.min.js"></script>
<script>
var width = 400;
var height = 400;
var svg = d3.select("body")
.append("svg")
.attr("width",width)
.attr("height",height);
var circle1 = svg.append("circle")
.attr("cx", 100)
.attr("cy", 100)
.attr("r", 45)
.style("fill","green");
circle1.transition()
.duration(1000) //延迟1000ms
.attr("cx", 300);
var circle2 = svg.append("circle")
.attr("cx", 100)
.attr("cy", 100)
.attr("r", 45)
.style("fill","green");
circle2.transition()
.duration(1500)
.attr("cx", 300)
.style("fill", "red");
var circle3 = svg.append("circle")
.attr("cx", 100)
.attr("cy", 100)
.attr("r", 45)
.style("fill","green");
circle3.transition()
.duration(2000)
.transition()
.ease("bounce")
.attr("cx", 300)
.style("fill", "red")
.attr("r", 25);
</script>
</body>
</html>
When I learn how to use the .ease("bounce")in d3 v4.x, the error is always jump out in html:45. In the official introduction: .ease("bounce") now should be used like this:
d3.easeBounce(t)
but it also doesn't work, so I don't know how to modify it. Could you give me a good introduction? Thanks!
942
The documentation on transition.ease([value]) tells us, that
The value must be specified as a function.
Therefore, you just need to pass in the easing function d3.easeBounce without actually calling it (note, that there are no parentheses following d3.easeBounce):
circle3.transition()
.duration(2000)
.transition()
.ease(d3.easeBounce) // Pass in the easing function
I agree with Altocumulus's answer, but I try to get rid of one of the middle.transition(), and it will run well.
circle3.transition()
.duration(2000)
.ease(d3.easeBounce)
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