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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">
// you can pass in `scratchData` to test out `findByid`
// your function
var scratchData = [
  {id: 22, foo: 'bar'},
  {id: 28, foo: 'bizz'},
  {id: 19, foo: 'bazz'}
];

function findById(items, idNum) {
 var findIdNum = [];
   var searchedItem = items.find(function(item){
      if(item.id == idNum) {
        return true;
      } else {
        return false;
      }
   })
   return searchedItem
}


//

function testIt() {
  var testData = [
    {id: 1, foo: 'bar'},
    {id: 2, foo: 'bizz'},
    {id: 3, bang: 'boo'}
  ];
  var result = findById(testData, 3);
  if (!(result && result !== null && typeof result === 'object')) {
    console.error('`findById` must return an object');
    return
  }
  if (result.id !== 3) {
    console.error(
      'Asked for item with id of `3` but got back one with id of ' +
      result.id
    );
    return
  }
  if (result.bang !== 'boo') {
    console.error('Expected all key/value pairs from target object to be returned');
    return
  }
  console.log('SUCCESS: `findByid` is working');
}

testIt();
</script>


<script id="jsbin-source-javascript" type="text/javascript">// you can pass in `scratchData` to test out `findByid`
// your function
var scratchData = [
  {id: 22, foo: 'bar'},
  {id: 28, foo: 'bizz'},
  {id: 19, foo: 'bazz'}
];

function findById(items, idNum) {
 var findIdNum = [];
   var searchedItem = items.find(function(item){
      if(item.id == idNum) {
        return true;
      } else {
        return false;
      }
   })
   return searchedItem
}


//

function testIt() {
  var testData = [
    {id: 1, foo: 'bar'},
    {id: 2, foo: 'bizz'},
    {id: 3, bang: 'boo'}
  ];
  var result = findById(testData, 3);
  if (!(result && result !== null && typeof result === 'object')) {
    console.error('`findById` must return an object');
    return
  }
  if (result.id !== 3) {
    console.error(
      'Asked for item with id of `3` but got back one with id of ' +
      result.id
    );
    return
  }
  if (result.bang !== 'boo') {
    console.error('Expected all key/value pairs from target object to be returned');
    return
  }
  console.log('SUCCESS: `findByid` is working');
}

testIt();</script></body>
</html>