JavaScript的setAttribute兼容性问题解决方法_javascript技巧

var asubmit = document.getElementById("submit");

asubmit.setAttribute("onclick","alert('请检查手机号码');"); //在火狐中有效，而在ie中无效

asubmit.setAttribute("onclick","javascript:document.buyform.submit();"); //在ie中有效，火狐也有效