App下載
實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
</head>
<body>
<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>
</body>
</html>
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