GCT1015
首先,把CSS和JS标签style属性对照表了解了:CSS 和 JavaScript 标签 style 属性对照表:盒子标签和属性对照CSS语法(不区分大小写) JavaScript语法(区分大小写)border borderborder-bottom borderBottomborder-bottom-color borderBottomColorborder-bottom-style borderBottomStyleborder-bottom-width borderBottomWidthborder-color borderColorborder-left borderLeftborder-left-color borderLeftColorborder-left-style borderLeftStyleborder-left-width borderLeftWidthborder-right borderRightborder-right-color borderRightColorborder-right-style borderRightStyleborder-right-width borderRightWidthborder-style borderStyleborder-top borderTopborder-top-color borderTopColorborder-top-style borderTopStyleborder-top-width borderTopWidthborder-width borderWidthclear clearfloat floatStylemargin marginmargin-bottom marginBottommargin-left marginLeftmargin-right marginRightmargin-top marginToppadding paddingpadding-bottom paddingBottompadding-left paddingLeftpadding-right paddingRightpadding-top paddingTop颜色和背景标签和属性对照CSS 语法(不区分大小写) JavaScript 语法(区分大小写)background backgroundbackground-attachment backgroundAttachmentbackground-color backgroundColorbackground-image backgroundImagebackground-position backgroundPositionbackground-repeat backgroundRepeatcolor color样式标签和属性对照CSS语法(不区分大小写) JavaScript 语法(区分大小写)display displaylist-style-type listStyleTypelist-style-image listStyleImagelist-style-position listStylePositionlist-style listStylewhite-space whiteSpace文字样式标签和属性对照CSS 语法(不区分大小写) JavaScript 语法(区分大小写)font fontfont-family fontFamilyfont-size fontSizefont-style fontStylefont-variant fontVariantfont-weight fontWeight文本标签和属性对照CSS 语法(不区分大小写) JavaScript 语法(区分大小写)letter-spacing letterSpacingline-break lineBreakline-height lineHeighttext-align textAligntext-decoration textDecorationtext-indent textIndenttext-justify textJustifytext-transform textTransformvertical-align verticalAlign<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><TITLE> New Document </TITLE></HEAD><script language="javascript">function validate(){if (document.all("name").value == ""){document.all("name").style["borderColor"]="red";//就是这里return;}}</script><BODY><input type="text" name="name" ></BODY></HTML>