javascript中兼容主流浏览器的动态生成iframe方法_javascript技巧

document.createElement('');

var iframe = document.createElement("iframe");
iframe.setAttribute("id", "yui-history-iframe");
iframe.setAttribute("src", "../../images/defaults/transparent-pixel.gif");
iframe.setAttribute("style","position:absolute;top:0;left:0;width:1px;height:1px;visibility:hidden;");

var oFrame = isIE ? document.createElement("

var isIE = (document.all) ? true: false; //这里仅仅简单的对是否是IE进行判断，详细浏览器判断：请参考浏览器类型侦测
var ua = navigator.userAgent.toLowerCase().match(/msie ([/d.] + ) / )[1];
if (ua == "9.0") {
    isIE = false;
}
var oFrame = isIE ? document.createElement("');
        } catch (e) {
            ajaxframe = document.createElement('iframe');
            ajaxframe.name = ajaxframeid;
            ajaxframe.id = ajaxframeid;
        }
        ajaxframe.style.display = 'none';
        ajaxframe.loading = 1;
        $('append_parent').appendChild(ajaxframe);
    } else if (ajaxframe.loading) {
        return false;
    }

    _attachEvent(ajaxframe, 'load', handleResult);

    showloading();
    $(formid).target = ajaxframeid;
    $(formid).action += '&inajax=1';
    $(formid).submit();
    return false;
}