Check if there are null values in an array of objects
<p>I have this array of objects.</p>

<pre><code>[Object, Object, Object]
0:Object
 name: "Rick"
 Contact: "Yes"
 Date:'null'
 Location:'null'
1:Object
 name:"Anjie"
 Contact:"No"
 Date:'13/6/2016'
 Location:'LA'
2:Object
 name:"dillan"
 Contact:"Maybe"
 Date:'17/6/2016'
 Location:'NY'
</code></pre>

<p>As you can see, there are null values for Object[0] for Date and Location. I want to check if there is a null value present in the entire array of Objects.
If there is a null value present for 'Date' and 'Location', i should be able to display 'Null present' at the console. If no null values are present, it should display 'Data right' at the console. </p>

<p>can someone please let me know how to achieve this. </p>