I have a line of code that runs faster than the DOM so I need a timeout-function but I don't know where to put it.
function testing() {
var newHeadline = document.createElement("h1");
newHeadline.textContent = "Headline";
document.getElementsByClassName("col-sm")[0].insertBefore(newHeadline, document.getElementsByClassName("text-content")[0]);
for (var a = 0; a < 10; a++) {
if (document.getElementsByClassName("form-control")[0] != undefined) {
document.getElementsByClassName("form-control")[0].parentElement.remove();
return true
}
}
}