jsonp解决跨域问题

function jsonpProcess (data) {

    console.log(data)

}

function jsonp_Script () {

    var _script = document.createElement("script");

    _script.type = "text/javascript";

    _script.src = "http://api.douban.com/v2/movie/top250?start=25&count=30&callback=jsonpProcess";

    document.head.appendChild(_script)

}

jsonp_Script();