HTML DOM Style fontSize property
Style Objects Definition and Usage
fontSize property sets or returns the text font size.
grammar
Setting fontSize properties:
Object.style.fontSize="value|inherit"
Back fontSize properties:
Object.style.fontSize
| 值 | 描述 |
|---|---|
| xx-small x-small small medium large x-large xx-large |
把字体的尺寸设置为不同的固定尺寸，从 xx-small 到 xx-large。 |
| smaller | 把字体尺寸减小一个相对单位。 |
| larger | 把字体尺寸增大一个相对单位。 |
| length | 使用 px、cm 等单位定义字体尺寸。 |
| % | 定义字体尺寸为父元素字体尺寸的某个百分比。 |
| inherit | fontSize 属性的值从父元素继承。 |
Browser Support
All major browsers support fontSize 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 text font size:
<! DOCTYPE html>
<Html>
<Head>
<Meta charset = "utf-8">
<Title> This tutorial (w3big.com) </ title>
<Script>
function displayResult () {
document.getElementById ( "p1") style.fontSize = "xx-large".;
}
</ Script>
</ Head>
<Body>
<P id = "p1"> This is some text. </ P>
<br>
<Button type = "button" onclick = "displayResult ()"> Change font size </ button>
</ Body>
</ Html>
<Html>
<Head>
<Meta charset = "utf-8">
<Title> This tutorial (w3big.com) </ title>
<Script>
function displayResult () {
document.getElementById ( "p1") style.fontSize = "xx-large".;
}
</ Script>
</ Head>
<Body>
<P id = "p1"> This is some text. </ P>
<br>
<Button type = "button" onclick = "displayResult ()"> Change font size </ button>
</ Body>
</ Html>
try it"
Style Objects