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fetch data using class inside iframe and div using html, java script asp

I have an iframe and inside this there is a class called service-row and inside this div there is another class named service-cell

I want to get the data from that class how to do that. And there are 40 items with same name class how to get that data.

example

HTML page

<iframe id="iframe1">
     <div class="servicesTab">
          <div class="service-row">
               <div class="service-cell">
                   Obstetrics(this data)
               </div>
           </div>
      </div>
</iframe>

If you need data of specific cell then you can use the following code:

$("#iframe1 .service-cell:eq(0)").text()

else you can access all the cells using below code and then, iterate using for loop :

$("#iframe1 .service-cell")

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