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Last active March 9, 2020 14:23
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d3 queue test
Raw
.block
license: mit
Raw
index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<style>
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
</style>
</head>
<body>
<script>
var q = d3.queue()
.defer(prepDataA)
.defer(prepData, "B")
.defer(prepData, "C")
.await(function(error, A, B, C) {
if (error) throw error;
console.log(A, B, C);
});
function prepDataA(callback){
var data = d3.range(1000);
setTimeout(()=>{
callback(null, data);
}, 2000);
}
function prepData(Letter, callback){
var data = d3.range(100);
setTimeout(()=>{
callback(null, data);
}, 2500);
}
</script>
</body>
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