html运行实例（eg_js_array_splice_return）-搜寻教程库

代码示例：（标识：eg_js_array_splice_return）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 数组方法</h1> 

<h2>splice()</h2>

<p>splice() 方法向数组添加新元素，并返回包含已删除元素（如果有）的数组。</p>

<button onclick="myFunction()">试一试</button>

<p id="demo1"></p>
<p id="demo2"></p>
<p id="demo3"></p>

<script>
var fruits = ["Banana", "Orange", "Apple", "Mango"];
document.getElementById("demo1").innerHTML = "原数组：<br> " + fruits;

function myFunction() {
  var removed = fruits.splice(2, 2, "Lemon", "Kiwi"); 
  document.getElementById("demo2").innerHTML = "新数组：<br>" + fruits;
  document.getElementById("demo3").innerHTML = "已删除项：<br> " + removed; 
}
</script>

</body>
</html>