Add a copy button to div container

<script>
    
function loadEvent() {
           document.getElementById("copyCode").addEventListener("click", copyElementText); //replace copyCode with your button ID
           console.log("loaded");
        }
window.onload = loadEvent;

function copyElementText(id) {
    var text = document.querySelector(".syntaxhighlighter").innerText; //replace .syntaxhighliter with your selector
    var elem = document.createElement("textarea");
    document.body.appendChild(elem);
    elem.value = text;
    elem.select();
    document.execCommand("copy");
    document.body.removeChild(elem);
    console.log("Yeah");
    // document.querySelector("#copyCode > span > span.elementor-button-text").innerText = "copied !";
    setTimeout( function() {
        // document.querySelector("#copyCode > span > span.elementor-button-text").innerText = "copy code";
    }, 2000);


}
</script>