jquery中获取一批包含同样字符id值方法

$(function(){$("[id^=click_]").click( function () { var id=$(this).attr("id").split("click_")[1];alert(id);});})

<a href = "###" id="click_1">点击1</a><br/><a href = "###" id="click_2">点击2</a><br/><a href = "###" id="click_3">点击3</a><br/><a href = "###" id="click_4">点击4</a><br/>