运行 ❯
获取您
自己的
网站
×
更改方向
保存代码
更改主题,深色/浅色
转到 Spaces
<!DOCTYPE html> <html> <body> <h1>The Console Object</h1> <h2>The warn() Method</h2> <p>How to use an object as the warning message.</p> <p>Remember to open the console (Press F12) before you click "Run".</p> <script> const myObj = {firsname:"John", lastname:"Doe"}; console.warn(myObj); </script> </body> </html>