使用 new 关键字创建 JavaScript 数组。
javascriptweb developmentobject oriented programming
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>
输出
上述代码将产生以下输出 −
点击按钮 −