//开启和关闭样式表 function disableStylesheet(ss){ if(typeof ss == ‘number‘){ document.styleSheets[ss].disabled = true; }else{ var sheets = document.querySelectorAll(ss); for(var i=0; i<sheets.length; i++){ sheets[i].disabled = true; } } }
原文：http://www.cnblogs.com/oceanden/p/4199271.html