Удалить всех детей в узле
while (myNode.firstChild) {
myNode.removeChild(myNode.lastChild);
}
George_agg
while (myNode.firstChild) {
myNode.removeChild(myNode.lastChild);
}// Get the <ul> element with id="myList"
let list = document.getElementById("myList");
// As long as <ul> has a child node, remove it
while (list.hasChildNodes()) {
list.removeChild(list.firstChild);
}var myDiv = document.getElementById("myDivID");
myDiv.innerHTML = "";//remove all child elements inside of myDivdocument.getElementById("myId").innerHTML = '';