创建了这个网站。如果搜索框中的字符输入缓慢(显示 5 个结果),则可以正常工作,但是当快速输入时,会显示 5 个结果的倍数,表明这.empty()
不起作用。请指导。
文件准备好,
<script type="text/javascript">
$(document).ready(function () {
$("#search").keyup(function(e){
$("#status").empty();
/*
var keyCode = e.keyCode || e.which;
if(keyCode == 13) {*/
myFunction();
//}
});
$("#status").hide();
$("#more").hide();
});
</script>
添加了更多的 JS,var nexturl =""; 变量lastid =“”;变量参数;
function myFunction() {
param = $('#search').val();
//alert("I am an alert box!");
if (param != "") {
$("#status").show();
//alert("Show ");
var u = 'https://graph.facebook.com/search/?callback=&limit=5&q='+param;
$("#data").empty(); //empty the data div
//alert("emptied?");
getResults(u);
$("#more").show();
}
$("#more").click(function () {
$("#status").show();
//alert("Show ");
$("#more").hide();
pageTracker._trackPageview('/?q=/more');
var u = nexturl;
getResults(u);
});
}
</script>
所涉及的 HTML,
<div style="margin-bottom:10px;float:right;">
<form action="" method="get" id="searchform" onsubmit="return false;">
<input name="q" type="text" id="search" onClick="this.select();" size="32" maxlength="128" class="txt" style="padding: 0 5px;" >
<input type="button" id="hit" value="Search" onclick="myFunction();return false" class="btn">
</form>
</div>
</div>
<div id="data_container">
<div id="data">
<div id="status_container">
<div id="status"><img src="loader.gif" alt="loading facebook status search"/></div>
</div>
</div>
</div>
getResults() 函数,
function getResults(u) {
//$("#status").show();
$("#data").empty(); // print that we are in
$.ajax({
dataType: "jsonp",
url: u,
success: function(res) { // take an object res
$("#data").empty();
$("#status").show(); // show status
$("#more").show();
if (res.data.length) { // check length of res
// print if >0
nexturl = res.paging.next; // calculate next url
$.each(res.data, function(i,item){
if (item.id != lastid) {
lastid = item.id;
var html ="<div class=\"post\">";
html += "<div class=\"message\"><a href=\"http:\/\/www.facebook.com\/profile.php?id="+item.from.id+"\">"+item.from.name+"</a> ";
if (item.message) {
html += item.message+"<\/div>";
} else {
html += "<\/div>";
}
if (item.picture) {
html += "<div class=\"image\"><img src=\""+item.picture+"\"></div>";
} else {
html += "<div class=\"image\"><\/div>";
};
if (item.link) {
html += "<div class=\"link\"><a href=\""+item.link+"\">"+item.name+"</a></div>";
if (item.caption) {
html += "<div class=\"caption\">"+item.caption+"</div>";
};
if (item.description) {
html += "<div class=\"description\">"+item.description+"</div>";
};
};
html += "<div class=\"meta\">";
if (item.icon) {
html += "<span class=\"icon\"><img src=\""+item.icon+"\"></span> ";
};
var t = item.created_time;
var time = t.substring(0,19)+"\+00:00";
html += "<span class=\"time\">"+$.cuteTime({},time)+"<\/span> ";
html += " <\/div>";
html +="</div>";
$("#data").append(html) ;
}
});
$("#more").appendTo("#data");
$("#more").show();
$("#status").appendTo("#data");
} else {
$("#data").append("<h3 class=\"none\">No entries found. Please try another search.</h3>");
};
}
});
}