index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <button id="signup" >注册</button>
    <button id="signin" >登录</button>
    <div id="cookies">

    </div>
    <script>
        document.getElementById('signup').onclick = () => {
            console.log('注册')

            const params = {
                data: {},
                path: '/moduleLogin/activity/signup',
            }
            const d = {
                module: 'app',
                method: 'openPage',
                params: JSON.stringify(params),
            }
            window.gateioV2.callNative(JSON.stringify(d))
        }

        document.getElementById('signin').onclick = () => {
            console.log('登录')
            window.gateio.startLogin()
        }

        const cookies = document.cookie
        const cookieArr = cookies.split('; ')
        let html = ''
        for(let i = 0; i < cookieArr.length; i++) {
            const [key, value] = cookieArr[i].split('=')
            html += `
            <div>
                <span style="color: red;">${key}</span>
                <span style="color: #000">${value}</span>
            </div>
            `
        }
        document.getElementById('cookies').innerHTML = html
    </script>
</body>
</html>