django admin -如何在文件末尾添加javascript

$(document).ready(function() {
    // 在这里编写你的 JavaScript 代码
    // 例如，选择一个元素并添加点击事件
    $('#id_some_element').click(function() {
        // 执行某些操作
    });
});

from django.contrib import admin
from django.forms import Media
from django.contrib.admin.views.main import ChangeList
from django.contrib.admin.widgets import RelatedFieldWidgetWrapper
from django.conf.urls import url
from django.views.decorators.csrf import csrf_exempt
from django.shortcuts import render, redirect, HttpResponse
from django.contrib import messages
from django.http import Http404, HttpResponseForbidden, HttpResponseRedirect, HttpResponsePermanentRedirect

from django.http import HttpResponse, JsonResponse
from django.views.decorators.csrf import csrf_exempt
from django.contrib.auth.decorators import login_required
from django.urls import reverse
from django.shortcuts import render

class MyAdminSite(admin.AdminSite):
    # 这里是自定义的 Admin 网站配置，用于加载自定义的 JS 和 CSS
    def get_media(self):
        # 将自定义的 JavaScript 文件添加到 Admin 网站
        js = [
            'admin/js/custom_admin.js',  # 此处根据你的文件路径进行修改
        ]
        return Media(js=js)

admin_site = MyAdminSite()

admin.site = admin_site