title: How to make object values as `null` or `undefined` if the property not found in the Object using Lodash
body: <p>Hi I am having an object like this, I want to return the property values as <code>undefined</code> or <code>null</code> if not present in the object. Here is my object.</p>
  
  <pre><code>var build= { 'ts1': 1, 'ts2': '2', 'ts3': 3 };
  </code></pre>
  
  <p>I am using  <code>_.pick</code> function to pick the values it only pick values that are present in the object.
    Here is my code:</p>
  
  <pre><code>_.pick(build, [ 'ts0' 'ts1', 'ts2','ts5','ts6','ts7']);
  </code></pre>
  
  <p>I am getting the result like this:</p>
  
  <pre><code> { 'ts1': 1, 'ts2': '2'}
  </code></pre>
  
  <p>and the expected output is:</p>
  
  <pre><code>{ 'ts0':null, 'ts1': 1, 'ts2': '2','ts5':null,'ts6':null,'ts7':null}
  </code></pre>
  
  <p>Please can anybody help me on this.</p>