D3 Examples - JS Bin // source https://jsbin.com/gihisah

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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
​
<script id="jsbin-javascript">
const person = {
  name : 'Max'
};
​
const newPerson = {
  ...person,
  gender : 'female'
};
​
console.log(newPerson);
​
​
const filter = (...what) => {
  return what.filter(el => el === 1)
};
​
console.log(filter(1, 2, 3, 1));
</script>
​
​
​
<script id="jsbin-source-javascript" type="text/javascript">const person = {
  name : 'Max'
};
​
const newPerson = {
  ...person,
  gender : 'female'
};
​
console.log(newPerson);
​
​
const filter = (...what) => {
  return what.filter(el => el === 1)
};
​
console.log(filter(1, 2, 3, 1));</script></body>
</html>
    