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摘要： <button onclick="showModalDialog()">show modal dialog</button> <dialog id="dialog" onclose="onModalClose(event)"> <header>This is a sample dialog</hea 阅读全文

摘要： 用 js 发起请求，以避免页面跳转 <form action="/hello" method="POST" onsubmit="submitFormData(event)"> <input type="text" name="name" required placeholder="username" 阅读全文