点击运行
<!DOCTYPE html> <html> <body> <h1>JavaScript 数组</h1> <p>push 方法向数组追加新元素。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> var fruits = ["Banana", "Orange", "Apple", "Mango"]; document.getElementById("demo").innerHTML = fruits; function myFunction() { fruits.push("Lemon"); document.getElementById("demo").innerHTML = fruits; } </script> </body> </html>
运行结果
