使用 new 关键字创建 JavaScript 数组。

javascriptweb developmentobject oriented programming更新于 2025/8/17 2:52:17

以下是使用 new 关键字创建 JavaScript 数组的代码 −

示例

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
   body {
      font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
   }
   .result {
      font-size: 20px;
      font-weight: 500;
   }
</style>
</head>
<body>
<h1>Creating array with new keyword</h1>
<div style="color: green;" class="result"></div>
<button class="btn">点击此处</button>
<h3>
Click on the above button to create a new array and display it
</h3>
<script>
   let resEle = document.querySelector(".result");
   document.querySelector(".Btn").addEventListener("click", () => {
   let arr = new Array(1, 2, 3, 4, "A", "B", "C", "D");
      resEle.innerHTML = "arr = " + arr;
   });
</script>
</body>
</html>