javaScript creates borderless iframe compatible with ie_html/css_WEB-ITnose

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var m_iframe=document.createElement("iframe");
m_iframe.scrolling="no";

m_iframe.setAttribute(" frameborder", "0", 0); //m_iframe.frameborder="0";ie7 is invalid

m_iframe.src="http://www.cnblogs.com/cssfirefly";
document .body.appendChild(m_iframe);

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Note:

m_iframe.frameborder="0"; Replace with m_iframe.setAttribute("frameborder" , "0", 0); that's it

When dynamically creating an Iframe under IE7, the attributes in IE are case-sensitive, so frameBorder and frameborder are different attributes

this.frame.setAttribute("frameborder", "0", 0);

this.frame.setAttribute("frameborder", "0", 0); The '0' at the end means that case is ignored.

setAttribute:

object.setAttribute(sName, vValue [, iFlags]) 

 参数: 

sName

sName

必填项. String类型，属性名

vValue

必填项. 为属性指定的变量，可以为string, number, 或者 Boolean类型

iFlags

选填. 下面指定的两种 Integer 类型的标志

0	覆盖同名属性.
1	默认值. 为属性添加指定的值.

Required. String type, attribute name

vValue

Required. The variable specified for the attribute can be string, number, or Boolean type

iFlags

Optional. The two Integer type flags specified below 1

0	override the properties of the same name.
Default value. Add the specified value to the attribute.