jquery 使用中在ie8中碰到此bug,google浏览器正常。
原因:
$("<input>").text("默认排序").val("默认排序").attr("name","clearOrder").attr("type","button").appendTo($("#searchTable").find("table").find("td:last"));
改为以下后正常:var input = $("<input>").attr("text","默认排序").attr("value","默认排序").attr("name","clearOrder").attr("type","button");
input.appendTo($("#searchTable").find("table").find("td:last"));