在选定内容时删除ListBoxItem

// 获取ListBox控件
var listBox = document.getElementById("myListBox");

// 获取选中的ListBoxItem
var selectedItems = listBox.querySelectorAll("option:checked");

// 从ListBox中移除选中的ListBoxItem
selectedItems.forEach(function(item) {
  listBox.removeChild(item);
});

from flask import Flask, request

app = Flask(__name__)

@app.route("/delete-item", methods=["POST"])
def delete_item():
    item_id = request.form.get("item_id")
    
    # 从数据库或其他存储中删除对应的数据项
    
    return "Item deleted successfully"

if __name__ == "__main__":
    app.run()