获取 设置元素的属性值

jquery

1. 获取

var f1 = $(this).data('id');var f2 = $(this).attr('data-id');var f2 = $(this).prop('selected');

2. 设置

$(".test").data("id","1");$(".test").prop("disabled",true);$(".test").attr("data-id","1");

js

1. 获取

var f2 = document.getElementById('fun').dataset.id; //var f2 = document.getElementById('fun').getAttribute("id") //

2. 设置

var f2 = document.getElementById('fun').dataset.id = 1;var f2 = document.getElementById('fun').setAttribute("data-id","1")