arr28.html

<!DOCTYPE html>
<html>
<head>
	<title>arr28</title>
</head>
<body>
	<h1>splice添加元素</h1>
	<p id="demo1"></p>
	<p id="demo2"></p>
	<p id="demo3"></p>
	<script>
		var fruits = ["apple", "banana", "orange"];
		document.getElementById('demo1').innerHTML = "原数组" + fruits;
		var removed = fruits.splice(2,2,"lemon", "kiwi");
		document.getElementById('demo2').innerHTML = "新数组" + fruits;
		document.getElementById('demo3').innerHTML = "已删除项" + removed;


	</script>
</body>
</html>