How to invoke ondragstart and drop event manually javascript -


i have used html ondragstart , ondrop events. 

  <div class="row height_380_div" id="target_div_id" ondragover="drag_over(event)" ondrop="drop(event)">        <div ondragstart="dragstart(event)" class="alert alert-warning col-lg-12 height_30_div node" draggable="true" id="call" name="call" >            <button class="close top_min_10 hidden call_btn" data-dismiss="alert" onclick="remove_btn(this)">     &times;</button><p class="top_min_10">call</p>        </div>  </div>

i want drag , drop dynamically on page load. means example, div should dragged 100 px left , dropped there, should called dynamically when page loads , should run on own. how that?


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