<P><script>
function toScript(val)
{
 var value = val.value
 value  = value.replace(/\\/gi,"\\\\").replace(/"/gi,"\\\"").replace(/'/gi,"\\\'")
 valArr = value.split("\r\n")
 value=""
 
 for (i=0; i<valArr.length; i++)
 {
  value += (i==0) ? "info =" : ""
  value += "  \"" + valArr[i]
  value += (i!=valArr.length-1) ? "\" +\"\\n\"+\n" : "\"\n" 
 }
 value+="\ndocument.write(info)"
 
 val.value = value
}
</script></P>
<P><input type=button value="将 HTML 转为 JavaScript" onclick=toScript(document.all["code"])>

<textarea id=code cols=75 rows=20>
<table width="300">
<tr><td align="right">A</td></tr>
</table></textarea>
</P>

详细出处参考：http://www.jb51.net/article/419.htm