D3 Examples - JS Bin // source http://jsbin.com/hecidabifa

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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">
var vehicle3 = {
  type: "Submarine", capacity: 8, storedAt: "Underwater Outpost",
  ranger1: {name: "Gregg Pollack", skillz: "Lasering", dayOff: "Friday"},
  ranger2: {name: "Bijan Boustani", skillz: "Working", dayOff: "Saturday"},
  ranger3: {name: "Ashley Smith", skillz: "Torpedoing", dayOff: "Friday"},
  ranger4: {name: "Mark Krupinski", skillz: "Sniping", dayOff: "Wednesday"},
  numRangers: 4
};
​
function relieveDuty(vehicle, day) {
var offDuty = [];
var onDuty = [];
  for (var i = 1; i <= vehicle.numRangers; i++) {
    if (vehicle['ranger' +i].dayOff === day) {
      offDuty.push(vehicle['ranger'+i]);
    } else {
        onDuty.push(vehicle['ranger'+i]);
    }
    delete vehicle['ranger +i'];
  }
  vehicle.numRangers -= offDuty.length;
  for (var j = 1; j <=vehicle.numRangers; j++) {
    vehicle['ranger'+j] = onDuty.shift();
  }
  console.log(vehicle3.numRangers);
}
​
var offDay = relieveDuty(vehicle3, "Friday");
</script>
​
​
​
<script id="jsbin-source-javascript" type="text/javascript">var vehicle3 = {
  type: "Submarine", capacity: 8, storedAt: "Underwater Outpost",
  ranger1: {name: "Gregg Pollack", skillz: "Lasering", dayOff: "Friday"},
  ranger2: {name: "Bijan Boustani", skillz: "Working", dayOff: "Saturday"},
  ranger3: {name: "Ashley Smith", skillz: "Torpedoing", dayOff: "Friday"},
  ranger4: {name: "Mark Krupinski", skillz: "Sniping", dayOff: "Wednesday"},
  numRangers: 4
};
​
function relieveDuty(vehicle, day) {
var offDuty = [];
var onDuty = [];
  for (var i = 1; i <= vehicle.numRangers; i++) {
    if (vehicle['ranger' +i].dayOff === day) {
      offDuty.push(vehicle['ranger'+i]);
    } else {
        onDuty.push(vehicle['ranger'+i]);
    }
    delete vehicle['ranger +i'];
  }
  vehicle.numRangers -= offDuty.length;
  for (var j = 1; j <=vehicle.numRangers; j++) {
    vehicle['ranger'+j] = onDuty.shift();
  }
  console.log(vehicle3.numRangers);
}
​
var offDay = relieveDuty(vehicle3, "Friday");</script></body>
</html>
    