一 维基百科（英文版）词条
In word processing and digital typesetting, a non-breaking space (" ") (also called no-break space, non-breakable space (NBSP), hard space, or fixed space) is a space character that prevents an automatic line break at its position. In some formats, including HTML, it also prevents consecutive whitespace characters from collapsing into a single space.
In HTML, the common non-breaking space, which is the same width as the ordinary space character, is encoded as or  . In Unicode, it is encoded as U+00A0.
1 不可中断空白连同前面一个、后面一个字符都在同一行，不会换行。
2 多个不可中断空白不会被视为一个字符
3 不可中断字符，在js中是xA0，在html中是
二 代码
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <style type="text/css"> *{ margin:10px 0 0 0; padding:0; } .box{ width:50px; height:50px; background:grey; font-size: 16px; } </style> </head> <body style="padding:0 50px;"> <div class="box" id="box01"> </div> <div class="box" id="box02"> </div> <script> var str01 = '奥路xA0xA0xA0xA0xA0xA0xA0xA0菲'; document.getElementById('box01').innerHTML = str01; var str02 = '奥路 菲'; document.getElementById('box02').innerHTML = str02; </script> </body> </html>
三 页面效果
