Add a copy to clipboard field_code

<style>
.parent{
  display: flex;
  position: relative;
  font-size: 12px;
  font-weight: bold;
}


.left{
  border: 2px solid;
  border-right:none;
  border-radius:10px;
  border-bottom-right-radius:0;
  border-top-right-radius:0;
  padding: 5px 10px;
  overflow: hidden;
  text-overflow: ellipsis;
}


.right{
  border: 2px solid;
  cursor:pointer;
  border-radius:10px;
  border-left:none;
  border-bottom-left-radius:0;
  border-top-left-radius:0;
  padding: 5px 10px;
  background-color: #FFA500;
}
</style>
<script>
document.addEventListener("DOMContentLoaded", function() {
        const existCondition = setInterval(function() {
            if ($('#copy-page').length) {
                const text = document.querySelector(".left");
                const button = document.querySelector(".right");
                function copyText() {
                    navigator.clipboard.writeText(text.innerText).then((t) => {});
                }
                button.addEventListener("click", copyText);
                clearInterval(existCondition);
            }
        }, 100);
    });
</script>