D3 Examples - objects and arrays

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<!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>
    // Feel free to change or delete any of the code you see in this editor!
​
  array1 = [{name: "Arizona",
             location: "Southwest"},
            {name: "Virginia",
             location: "East"},
            {name: "Florida",
             location: "Southeast"}];
    
  array2 = [{name: "Arizona", id: "AZ"},
            {name: "Virginia", id: "VA"},
            {name: "Florida", id: "FL"}];
    
                array1.forEach(function(d){
            array2.forEach(function(s){
            if (d.name == s.name) {
              d.id = s.id
              s.location = d.location
            }
          })
          })
       
        
        array3 = ['a','b','c','d'];
            array4 = ['a','c','e','f','g'];
    
    array3.forEach(function(r){
      array4.forEach(function(f){
        if (r == f)
          console.log(r)
      })
    })
    
       
​
  // modify array1 so that each object it contains includes the 2 letter state "id"
 // console.log(array2);
  </script>
</body>
​
    