W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
运行代码
<!DOCTYPE html> <html> <head> <style> /* 默认的 CSS 值 */ pre { display: block; font-family: monospace; white-space: pre; margin: 1em 0; } </style> </head> <body> <p>默认情况下，pre 元素会这样显示：</p> <pre> Text in a pre element is displayed in a fixed-width font, and it preserves both spaces and line breaks </pre> <p>自定义的 pre 元素（更改 white-space）：</p> <pre style="white-space:nowrap;"> Text in a pre element is displayed in a fixed-width font, and it preserves both spaces and line breaks </pre> </body> </html>