HTML DOM Style backgroundPosition property
Style Objects Definition and Usage
backgroundPosition property sets or returns the position of the background image elements.
grammar
Setting backgroundPosition properties:
Object.style.backgroundPosition="position"
Back backgroundPosition properties:
Object.style.backgroundPosition
Tip: The default value of the property is backgroundPosition: 0% 0%.
| 值 | 描述 |
|---|---|
| top left top center top right center left center center center right bottom left bottom center bottom right |
如果仅指定一个关键字，其他值将是 "center"。 |
| x% y% | x 值表示水平位置，y 值表示垂直位置。左上角是 0% 0%。右下角是 100% 100%。如果仅指定一个值，其他值将是 50%。 |
| xpos ypos | x 值表示水平位置，y 值表示垂直位置。左上角是 0 0。单位可以是像素（0px 0px）或任何其他的 CSS 单位。如果仅指定一个值，其他值将是 50%。您可以混合使用 % 和单位。 |
| inherit | 背景位置属性的设置从父元素继承。 |
Browser Support
All major browsers support backgroundPosition property.
Note: IE7 and earlier versions do not support the "inherit" value.IE8 only provides! DOCTYPE supported "inherit". IE9 support "inherit".
Examples
Examples
Change the background image here:
<! DOCTYPE html>
<Html>
<Head>
<Meta charset = "utf-8">
<Title> This tutorial (w3big.com) </ title>
<Style>
div {
background-image: url ( 'img_tree.png');
background-repeat: no-repeat;
width: 400px;
height: 400px;
border: 1px solid # 000000;
}
</ Style>
<Script>
function displayResult () {
. Document.getElementById ( "div1") style.backgroundPosition = "center bottom";
}
</ Script>
</ Head>
<Body>
<Button type = "button" onclick = "displayResult ()"> to modify the background image position </ button>
<br>
<Div id = "div1">
</ Div>
</ Body>
</ Html>
<Html>
<Head>
<Meta charset = "utf-8">
<Title> This tutorial (w3big.com) </ title>
<Style>
div {
background-image: url ( 'img_tree.png');
background-repeat: no-repeat;
width: 400px;
height: 400px;
border: 1px solid # 000000;
}
</ Style>
<Script>
function displayResult () {
. Document.getElementById ( "div1") style.backgroundPosition = "center bottom";
}
</ Script>
</ Head>
<Body>
<Button type = "button" onclick = "displayResult ()"> to modify the background image position </ button>
<br>
<Div id = "div1">
</ Div>
</ Body>
</ Html>
try it"
Style Objects