jquery动态获取下拉框select的数据

<select name="province class_ms" id="channel" class="classify">
	<option value="请选择">请选择</option>
</select>

	//获取数据
	$.ajax({
		type:"GET",
		url:"xxxxxxxxxxx",
		dataType: "json",
		success:function(res){
//			console.log(res);
			var data = res.data.table_list;
			for(var key in data){
				$("#channel").append("<option value='" + key + "'>" + data[key].name + "</option>");
			}
		}
	});