How to remove all children of a tree node

[su_icon_text icon=”icon: info-circle” icon_color=”#5b63df” class=”saki-info-box”]Code in this post can be obsolete, however, principles and theory may still apply.[/su_icon_text] Suppose we want to remove all children of the node node:

while(node.firstChild) {
    node.removeChild(node.firstChild);
}

That’s all there is to it