Ajax与服务器（JSON）通信实例代码(2)

<h1>制作沙拉所需要的食材</h1> <form action="" method="get"> <div> <label for="q">搜索食材</label> <input required placeholder="type a name"> </div> <div> <button type="submit">搜索</button> <button type="button">get all contacts</button> </div> </form> <div></div>