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jsonp实现下拉搜索

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <script type="text/javascript">
            //curl "https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su?wd=bbb&cb=
            //curl "https://suggest.taobao.com/sug?code=utf-8&q=aaa&callback=
            window.onload = function(){
                var oTxt = document.getElementById("txt");
                var oBtn = document.getElementById("btn");
                oTxt.onkeyup = function(){
                    var sc = document.createElement("script");
                    //sc.src = "https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su?wd=" + oTxt.value + "&cb=fn";
                    sc.src = "https://suggest.taobao.com/sug?code=utf-8&q="+oTxt.value + "&callback=fn";
                    document.getElementsByTagName("head")[0].appendChild(sc);
                }
            }
            //全局函数
            function fn(str){
                //console.log(str.s);
                var oUl = document.getElementById("ul1");
                oUl.innerHTML = "";
                for(var i = 0; i < str.result.length; i ++){
                    var li = document.createElement("li");
                    li.innerHTML = str.result[i];
                    oUl.appendChild(li);
                }
            }
        </script>
        
    </head>
    <body>
        <input type="text" name="txt" id="txt" value="" />
        <input type="button" name="btn" id="btn" value="http://www.mamicode.com/搜索" />
        <ul id="ul1">
            
        </ul>
    </body>
</html>

 

效果如下

技术分享

 

jsonp实现下拉搜索