async example

    jQuery(document).on('click', '.gv-button-delete', function (e) {
        e.preventDefault();  //prevent submission
        console.log('Intercepted delete button request');
        var delLoc = "";
        (function ($) {
            var delLoc2 = $('.gv-button-delete').attr("href"); //capture default action, because we need the time-valid nonce
            delLoc = delLoc2;
        }(jQuery));
        
        var objID = document.getElementById("input_4_40").value;
        objID = parseInt(objID);
        var iframe = document.getElementById("MapFrame1");
        
        if (iframe) {
            var iframeContent = (iframe.contentWindow || iframe.contentDocument);
            //var result = iframeContent.WriteLog(objID); //call the fucntion from the iframe, and hopefully wait for a result. 
            var result = await f();
            console.log(result);
            if (result == "error") {
                console.log("Step 5")
                console.log("There was an error with removing the feature");
            } else if (result == "ok") {
                console.log("Step 5")
                console.log("The spatial delete completed correctly");
            } else {
                console.log("Step 5")
                console.log("unexpected result of spatial delete")
            }
        }
        

    });

    async function f() {
        var result = iframeContent.WriteLog(objID); //call the fucntion from the iframe, and hopefully wait for a result. 
        return result;
    }