def init_js(page: Page, phone: str) -> Page:
   #修改 网页 navigator 的属性的值
   function fakeNav(key, value) {
        Object.defineProperty(navigator, key, {
            value: value,
            writable: false
        });
    }
    js_device_memory = f'fakeNav("deviceMemory", {gen_android_memory(phone)})'
    js_do_not_track = 'fakeNav("doNotTrack", null)'


    # 引用  stealth.min.js
    with open(r"D:\stealth.min.js") as file:
        js_fake_file = file.read()
        page.add_init_script(js_fake_file)
    return page