从选择框中删除所选项目

Posted 2021-02-23

This will remove the items in a select box/list box that have been selected.

function remove_selected_items(listid){
	var list = document.getElementById(listid);
	var items = list.options.length;
 
	for(var i = items-1; i >= 0; i--) {
		if(list.options[i].selected == true){
			list.remove(i);
		}
	}
}