Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <body> <h2>JavaScript Array.isArray()</h2> <p>单击按钮检查"fruits"是否为数组。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var fruits = ["香蕉","橙子","苹果","芒果"]; var x = document.getElementById("demo"); x.innerHTML = Array.isArray(fruits); } </script> </body> </html>