连续英文换行(没有空格):
<div id="ff">abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz</div> <script> function toBreakWord(intLen){ var obj=document.getElementById("ff");//文字内容所在容器的id var strContent=obj.innerHTML; var strTemp=""; while(strContent.length>intLen){ strTemp+=strContent.substr(0,intLen)+"<br />"; strContent=strContent.substr(intLen,strContent.length); } strTemp+=strContent; obj.innerHTML=strTemp; } toBreakWord(50);//一行的最大字符数 </script>