File size: 1,191 Bytes
08aee07 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Element对象</title>
</head>
<body>
<a>点我试一试</a>
<input type="button" id="btn_set" value="设置属性">
<input type="button" id="btn_remove" value="删除属性">
<script>
/*
Element：元素对象
1. 获取/创建：通过document来获取和创建
2. 方法：
1. removeAttribute()：删除属性
2. setAttribute()：设置属性
*/
//获取设置属性btn
var btn_set = document.getElementById("btn_set");
btn_set.onclick = function() {
var element_a = document.getElementsByTagName("a")[0];
element_a.setAttribute("href","https://www.baidu.com");
}
//
var btn_remove = document.getElementById("btn_remove");
btn_remove.onclick = function() {
var element_a = document.getElementsByTagName("a")[0];
element_a.removeAttribute("href");
}
</script>
</body>
</html> |