在 <iframe style= "width: 100%; height:100;line-height:30px; " marginwidth= "0 " marginheight= "0 " frameborder= "1 " id= "MsgFrame " src= "about:blank "> </iframe>
编写的在线编辑器里，如何用代码修改编辑器里文字的行距？
------解决方案--------------------------------------------------------
try:window.frames[0].document.body.style.cssText = "line-height:400% ";