js中的jsonp

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Mighty Gumball</title>

    <script src="mightygumball.js"></script>

    <link rel="stylesheet" href="mightygumball.css">

</head>

<body>

<h1>Mighty Gumball Sales</h1>

<div id="sales">

</div>

<script src="http://gumball.wickedlysmart.com/?callback=updateSales"></script>

</body>

</html>

function updateSales(sales){

    var salesDiv = document.getElementById("sales");

    for (var i = 0; i < sales.length; i++){

        var sale = sales[i];

        var div = document.createElement("div");

        div.setAttribute("class", "saleItem");

        div.innerHTML = sale.name + " sold " + sale.sales + " gumballs";

        salesDiv.appendChild(div);

    }

}
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