tryjsref_splice 在线代码实例

 <p id="demo">点击按钮向数组添加元素。</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
	var fruits = ["Banana", "Orange", "Apple", "Mango"];
	fruits.splice(2,0,"Lemon","Kiwi");
	var x=document.getElementById("demo");
	x.innerHTML=fruits;
}
</script>