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Dynamically generated iframe method in javascript compatible with mainstream browsers_javascript skills

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Release: 2016-05-16 16:49:57
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The following code runs successfully under IE8 but fails in IE9:

Copy code The code is as follows:

document.createElement('');

Error message: exception: SCRIPT5022: DOM Exception: INVALID_CHARACTER_ERR (5)

Idea analysis:
Step one: Compatible with IE9, firefox, Opera, Safari and other browsers;

Copy code The code is as follows:
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;");


Step 2: Compatible with IE6-8: Because ie6-8 cannot modify the name attribute of the iframe

Copy code The code is as follows:

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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