<body>ip
<div getTime = ‘20’ data-index = ‘2’ data-list-name = ‘nav’></div>get
<script>console
var div = document.querySelector(‘div’);im
console.log(div.getAttribute(‘data-list-name’));集合
//h5新增的獲取自定義屬性的集合,它只能獲取data開頭的屬性di
console.log(div.dataset.index);query
console.log(div.dataset.listName);co
console.log(div.dataset[‘listName’]);script
</script>data
</body>