jQuery的带搜索过滤ajax加载下拉框插件

这是一款支持选项搜索过滤和Ajax远程加载的select下拉选择框jQuery插件。
js代码
<script src="js/jquery-1.11.0.min.js" type="text/javascript"></script>
<script src="js/tinyselect.js"></script>
<script>
/* This parser won't respect "---" selection */
function dataParserA(data, selected) {
retval = [ { val: "-1" , text: "---" } ];

data.forEach(function(v){
if(selected == "-1" && v.val == 3)
v.selected = true;
retval.push(v); 
});

return retval;
}

/* This parser let's the component to handle selection */
function dataParserB(data, selected) {
retval = [ { val: "-1" , text: "---" } ];
data.forEach(function(v){ retval.push(v); });
return retval;
}

/* Create select elements */
$("#select1").tinyselect();
$("#select2").tinyselect({ showSearch: false });
$("#select3").tinyselect({ dataUrl: "file.json" , dataParser: dataParserA });
$("#select4").tinyselect({ dataUrl: "failure.json" });
$("#select5").tinyselect({ dataUrl: "file.json" , dataParser: dataParserB });

$("#select2").on("change",function() {
console.log($(this).val());
});

$("#havoc").show()

</script>