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              <!-- Fixed navbar -->
<nav class="navbar navbar-default navbar-fixed-top">
  <div class="container">
    <div class="navbar-header">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
        <span class="sr-only">Toggle navigation</span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </button>
      <div class="navbar-brand">Online Lodash Tester <small>by <a href="https://form.io" target="_blank"><img src='https://help.form.io/assets/formio-logo.png' style="height:1em" /></a></small>
      </div>
    </div>
    <div id="navbar" class="navbar-collapse collapse">
    </div>
  </div>
</nav>
<div class="container" style="margin-top: 65px;margin-bottom: 150px;">
  <div class="jumbotron">
    <h1>Online Lodash Tester</h1>
    <div class="alert alert-success">Testing Lodash version <strong id="version"></strong></div>
    <p>This is an online tester for the <a href="https://lodash.com" target="_blank">Lodash Library</a>. Simply type your code in the box below and press <strong>Execute</strong>. It will run your code and then show the results in the <strong>Results</strong> section.</p>
    <p>Brought to you with <span class="glyphicon glyphicon-heart" aria-hidden="true"></span> by <a href="https://form.io" target="_blank"><img src='https://help.form.io/assets/formio-logo.png' style="height:1em" /></a>.
    <p>
    </p>
  </div>
  <div class="row">
    <div class="col col-sm-12">
      <h3>Lodash Code</h3>
      <p>Enter your code below. Set the value of <code>result</code> to what you would like to show in the results section.</p>
    </div>
  </div>
  <div class="row">
    <div class="col col-sm-7">
      <div><strong>Example:</strong><pre>
var users = [
  { user: 'barney', age: 36, active: true },
  { user: 'fred',  age: 40, active: false },
  { user: 'travis', age: 37, active: true}
];

result = _.filter(users, function(o) { return o.active; });
      </pre></div>
      <textarea id="code" class="form-control" rows="10" placeholder="Enter your lodash code here."></textarea><br/>
      <a class="btn btn-primary" id="execute">Execute</a>
    </div>
    <div class="col col-sm-5">
      <strong style="margin-top:0;">Result:</strong>
      <pre class="pre-scrollable" style="min-height: 390px;"  id="result"></pre>
    </div>
  </div>
</div> <!-- /container -->
<div class="well" style="text-align:center;margin-bottom:0;border-radius:0;">
  <p>Brought to you by <a href="https://form.io">Form.io</a>
</div>
            
          
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              $('#version').text(_.VERSION);
window._ = _;
$(function() {
  $('#execute').click(function() {
    var code = $('#code').val();
    var result = null;
    try {
      result = eval(code);
    }
    catch (err) {
      result = err.message;
    }
    if (!result) {
      result = 'No result';
    }
    if (typeof result === 'object') {
      try {
        result = JSON.stringify(result, null, '   '); 
      }
      catch (err) {
        result = err.message;
      }
    }
    $('#result').text(result);
  });
});
            
          
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