首先，把CSS和JS標簽style屬性對照表了解了：
CSS 和 JavaScript 標簽 style 屬性對照表：
盒子標簽和屬性對照 顏色和背景標簽和屬性對照 樣式標簽和屬性對照 文字樣式標簽和屬性對照 文本標簽和屬性對照
| CSS語法（不區分大小寫） | JavaScript語法（區分大小寫） |
| border | border |
| border-bottom | borderBottom |
| border-bottom-color | borderBottomColor |
| border-bottom-style | borderBottomStyle |
| border-bottom-width | borderBottomWidth |
| border-color | borderColor |
| border-left | borderLeft |
| border-left-color | borderLeftColor |
| border-left-style | borderLeftStyle |
| border-left-width | borderLeftWidth |
| border-right | borderRight |
| border-right-color | borderRightColor |
| border-right-style | borderRightStyle |
| border-right-width | borderRightWidth |
| border-style | borderStyle |
| border-top | borderTop |
| border-top-color | borderTopColor |
| border-top-style | borderTopStyle |
| border-top-width | borderTopWidth |
| border-width | borderWidth |
| clear | clear |
| float | floatStyle |
| margin | margin |
| margin-bottom | marginBottom |
| margin-left | marginLeft |
| margin-right | marginRight |
| margin-top | marginTop |
| padding | padding |
| padding-bottom | paddingBottom |
| padding-left | paddingLeft |
| padding-right | paddingRight |
| padding-top | paddingTop |
| CSS 語法（不區分大小寫） | JavaScript 語法（區分大小寫） |
| background | background |
| background-attachment | backgroundAttachment |
| background-color | backgroundColor |
| background-image | backgroundImage |
| background-position | backgroundPosition |
| background-repeat | backgroundRepeat |
| color | color |
| CSS語法（不區分大小寫） | JavaScript 語法（區分大小寫） |
| display | display |
| list-style-type | listStyleType |
| list-style-image | listStyleImage |
| list-style-position | listStylePosition |
| list-style | listStyle |
| white-space | whiteSpace |
| CSS 語法（不區分大小寫） | JavaScript 語法（區分大小寫） |
| font | font |
| font-family | fontFamily |
| font-size | fontSize |
| font-style | fontStyle |
| font-variant | fontVariant |
| font-weight | fontWeight |
| CSS 語法（不區分大小寫） | JavaScript 語法（區分大小寫） |
| letter-spacing | letterSpacing |
| line-break | lineBreak |
| line-height | lineHeight |
| text-align | textAlign |
| text-decoration | textDecoration |
| text-indent | textIndent |
| text-justify | textJustify |
| text-transform | textTransform |
| vertical-align | verticalAlign |
HTML代碼示例：
js代碼示例：