title: I want to remove my array list
body: <p>my array list is below:</p>
  
  <pre><code>this.array_of_name = ko.observableArray([
      { name: 'All Ways' },
      { name: 'Brand Cars' },
      { name: 'Carrom' },
      { name: 'Ginger' },
      { name: 'Honey' },
      { name: 'Jar Jar' },
      { name: 'Bert' },
      { name: 'Kitjar' },
      { name: 'Denise' },
      { name: 'Numeric' },
      { name: 'Length' },
      { name: 'Orange' },
      { name: 'Panasonic' },
      { name: 'Rabbit' },
      { name: 'Tarzan' },
      { name: 'USA' },
      { name: 'Yield' },
      { name: 'Zen' }
      ]);
  </code></pre>
  
  <p>i want to remove all items from it using javascript or knockout.</p>
  
  <p>And also want to add search functionality using javascript or knockout.</p>