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JS 参考手册

JS 参考手册(字母排序)

JavaScript

JS Arrays JS Boolean JS Classes JS Dates JS Error JS Global JS Iterators JS JSON JS Maps JS Math JS Numbers JS Objects JS Operators JS Assignment JS Arithmetic JS Comparison JS Logical Operators JS Bitwise Operators JS Misc Operators JS Precedence JS Promises JS RegExp Patterns JS RegExp Reference JS Sets JS Statements JS Strings JS Typed Arrays JS Typed Reference

Window

Window Object Window Console Window History Window Location Window Navigator Window Screen

HTML DOM

HTML Documents HTML Elements HTML Attributes HTML Collection HTML NodeList HTML DOMTokenList HTML Styles
alignContent alignItems alignSelf animation animationDelay animationDirection animationDuration animationFillMode animationIterationCount animationName animationTimingFunction animationPlayState background backgroundAttachment backgroundClip backgroundColor backgroundImage backgroundOrigin backgroundPosition backgroundRepeat backgroundSize backfaceVisibility border borderBottom borderBottomColor borderBottomLeftRadius borderBottomRightRadius borderBottomStyle borderBottomWidth borderCollapse borderColor borderImage borderImageOutset borderImageRepeat borderImageSlice borderImageSource borderImageWidth borderLeft borderLeftColor borderLeftStyle borderLeftWidth borderRadius borderRight borderRightColor borderRightStyle borderRightWidth borderSpacing borderStyle borderTop borderTopColor borderTopLeftRadius borderTopRightRadius borderTopStyle borderTopWidth borderWidth bottom boxShadow boxSizing captionSide caretColor clear clip color columnCount columnFill columnGap columnRule columnRuleColor columnRuleStyle columnRuleWidth columns columnSpan columnWidth counterIncrement counterReset cssFloat cursor direction display emptyCells filter flex flexBasis flexDirection flexFlow flexGrow flexShrink flexWrap font fontFamily fontSize fontStyle fontVariant fontWeight fontSizeAdjust height isolation justifyContent left letterSpacing lineHeight listStyle listStyleImage listStylePosition listStyleType margin marginBottom marginLeft marginRight marginTop maxHeight maxWidth minHeight minWidth objectFit objectPosition opacity order orphans outline outlineColor outlineOffset outlineStyle outlineWidth overflow overflowX overflowY padding paddingBottom paddingLeft paddingRight paddingTop pageBreakAfter pageBreakBefore pageBreakInside perspective perspectiveOrigin position quotes resize right scrollBehavior tableLayout tabSize textAlign textAlignLast textDecoration textDecorationColor textDecorationLine textDecorationStyle textIndent textOverflow textShadow textTransform top transform transformOrigin transformStyle transition transitionProperty transitionDuration transitionTimingFunction transitionDelay unicodeBidi userSelect verticalAlign visibility width wordBreak wordSpacing wordWrap widows zIndex

HTML Events

HTML Events HTML Event Objects HTML Event Properties HTML Event Methods

Web APIs

API Canvas API Console API Fetch API Fullscreen API Geolocation API History API MediaQueryList API Storage API Validation API Web

HTML 对象

<a> <abbr> <address> <area> <article> <aside> <audio> <b> <base> <bdo> <blockquote> <body> <br> <button> <canvas> <caption> <cite> <code> <col> <colgroup> <datalist> <dd> <del> <details> <dfn> <dialog> <div> <dl> <dt> <em> <embed> <fieldset> <figcaption> <figure> <footer> <form> <head> <header> <h1> - <h6> <hr> <html> <i> <iframe> <img> <ins> <input> button <input> checkbox <input> color <input> date <input> datetime <input> datetime-local <input> email <input> file <input> hidden <input> image <input> month <input> number <input> password <input> radio <input> range <input> reset <input> search <input> submit <input> text <input> time <input> url <input> week <kbd> <label> <legend> <li> <link> <map> <mark> <menu> <menuitem> <meta> <meter> <nav> <object> <ol> <optgroup> <option> <output> <p> <param> <pre> <progress> <q> <s> <samp> <script> <section> <select> <small> <source> <span> <strong> <sub> <summary> <sup> <table> <tbody> <td> <tfoot> <th> <thead> <tr> <textarea> <time> <title> <track> <u> <ul> <var> <video>

Style background 属性


实例

设置文档背景的样式:

document.body.style.background = "#f3f3f3 url('img_tree.png') no-repeat right top";
亲自试一试 »

页面下方有更多实例。


定义和用法

background 属性以简写形式设置或返回最多八个独立的背景属性。

使用此属性,可以设置/返回以下一项或多项(按任意顺序):

  • background-color
  • background-image
  • background-repeat
  • background-attachment
  • background-position
  • background-size
  • background-origin
  • background-clip

上述的属性,也可以设置单独的样式属性。强烈建议使用单独的属性这样有更好的可控性。


浏览器支持

表中的数字表示支持该属性的第一个浏览器版本。

属性
background 1.0 4.0 1.0 1.0 3.5

注释: 请参见下面每个值的个别浏览器支持。


语法

返回 background 属性:

object.style.background

设置 background 属性:

object.style.background = "color imagerepeat attachment position size origin clip|initial|inherit"

属性值

描述
color 设置一个元素的背景颜色
image 设置一个元素的背景图像
repeat 设置如何重复背景图像
attachment 设置背景图像是否固定或者随着页面的其余部分滚动
position 设置背景图像的起始位置
size 设置背景图像的大小
origin 设置背景定位区域
clip 设置背景图像的绘制区域
initial 设置该属性为它的默认值。请参阅 initial
inherit 从父元素继承该属性。请参阅 inherit

技术细节

默认值: transparent none repeat scroll 0% 0% auto padding-box border-box
返回值: 字符串,表示元素的背景
CSS 版本 CSS1 + new properties in CSS3

更多实例

实例

更改DIV元素的背景:

document.getElementById("myDIV").style.background = "url('smiley.gif') blue repeat-x center";
亲自试一试 »

实例

为文档设置背景色:

document.body.style.backgroundColor = "red";
亲自试一试 »

实例

为文档设置背景图像:

document.body.style.backgroundImage = "url('img_tree.png')";
亲自试一试 »

实例

将背景图像设置为"不重复":

document.body.style.backgroundRepeat = "repeat-y";
亲自试一试 »

实例

将背景图像设置为固定(不会滚动):

document.body.style.backgroundAttachment = "fixed";
亲自试一试 »

实例

更改背景图像的位置:

document.body.style.backgroundPosition = "top right";
亲自试一试 »

实例

返回文档的背景属性值:

document.body.style.background;
亲自试一试 »

相关页面

CSS 教程: CSS Background

CSS3 tutorial: CSS3 Backgrounds

CSS 参考手册: background 属性


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