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<!DOCTYPE html> <html> <body> <h1>JavaScript console.groupCollapsed() 方法</h1> <p>带有标签的消息组。</p> <p>按键盘上的 F12 在控制台视图中查看消息。</p> <script> console.log("Hello world!"); console.groupCollapsed("myLabel"); console.log("Hello again, this time inside a collapsed group, with a label!"); </script> </body> </html>