I have multiple video in my I want to play one video at a time

I have multiple videos on my page I want to play one video at a time. IF one video plays then other videos need to stop playing. I am using javascript code for video play pause.

<section id="gallery" class="bg-lighter">
      <div class="container-fluid pt-70 pb-0">
        <div class="section-content">
          <div class="row">
            <div class="col-md-12">
              <div id="grid" class="gallery-isotope grid-4 gutter clearfix">

                <?php if(!empty($page_info[0]['link1'])){ ?>
                <div class="gallery-item photography">
                   <div class="price pt-30">
                        <h5 class="text-uppercase letter-space-2"></h5>
                      </div>
                  <div class="thumb galerryVideoCopy">
                    <iframe width="972" height="547" src="https://youtube.com/embed/<?php print_r($page_info[0]['link1']); ?>" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
                    <p style="color: white"><?php echo $page_info[0]['link1_urdu']?></p>
                    <p style="color: white"><?php echo $page_info[0]['link1_hindi']?></p>
                    <p style="color: white"><?php echo $page_info[0]['link1_eng']?></p>
                  </div>
                </div>
               <?php } ?>

                  <?php if(!empty($page_info[0]['link2'])){ ?>
                <div class="gallery-item branding">
                    <div class="price pt-30">
                        <h5 class="text-uppercase letter-space-2"></h5>
                      </div>
                  <div class="thumb galerryVideoCopy">
                   <iframe width="972" height="547" src="https://youtube.com/embed/<?php print_r( $page_info[0]['link2']); ?>" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
                    <p style="color: white"><?php echo $page_info[0]['link2_urdu']?></p>
                    <p style="color: white"><?php echo $page_info[0]['link2_hindi']?></p>
                    <p style="color: white"><?php echo $page_info[0]['link2_eng']?></p>
                  </div>
                 </div>
                 <?php } ?>

                  <?php if(!empty($page_info[0]['link3'])){ ?>
                <div class="gallery-item design">
                    <div class="price pt-30">
                        <h5 class="text-uppercase letter-space-2"></h5>
                      </div>
                  <div class="thumb galerryVideoCopy">
                   <iframe width="972" height="547" src="https://youtube.com/embed/<?php print_r( $page_info[0]['link3']); ?>" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
                    <p style="color: white"><?php echo $page_info[0]['link3_urdu']?></p>
                    <p style="color: white"><?php echo $page_info[0]['link3_hindi']?></p>
                    <p style="color: white"><?php echo $page_info[0]['link3_eng']?></p>
                  </div>
               </div>
                <?php } ?>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </section>
 <script type="text/javascript">
  $(function(){
    $("#link1").on("play",function(){
        $("#link2").trigger("pause");
        $("#link3").trigger("pause");

    });
    $("#link2").on("play",function(){
        $("#link1").trigger("pause");
        $("#link3").trigger("pause");
    });
     $("#link3").on("play",function(){
        $("#link1").trigger("pause");
        $("#link2").trigger("pause");
    });
});
   </script>

I am trying like this but it's not working. I do not know where I am wrong in my code. Please give me some solution to this.