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

WBOY
Release: 2016-05-16 16:49:57
Original
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以下代码在IE8下运行通过,在IE9中出错:

复制代码 代码如下:

document.createElement('');

错误提示:exception : SCRIPT5022: DOM Exception: INVALID_CHARACTER_ERR (5)

思路分析:
第一步:兼容IE9,firefox,Opera,Safari等浏览器;

复制代码 代码如下:
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;");


第二步:兼容IE6-8:由于ie6-8 不能修改iframe的name属性

复制代码 代码如下:

var oFrame = isIE ? document.createElement("

综合解决办法:

复制代码 代码如下:

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;
}

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