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JavaScript FontSize Method
The FontSize method returns a string that defines the font size using the Size property in the HTML font label. The syntax is as follows:
Parameter description:
| Parameters | Description |
|---|---|
| Str_object | The string to manipulate (object) |
| Size | Necessary. 1 to 7 of the number, the larger the number of fonts, font size comparison is as follows: 1:10px 2:14px 3:16px 4:18px 5:24px 6:32px 7:48px |
Tip: This method does not conform to the ECMA standard and is not recommended for use.
FontSize Method Instance
<script language= "JavaScript" >
var str = "Www.jb51.net";
document.write (Str.fontsize (7));
</script>
Run the example and output:
Tip: This method returns the string defined using the HTML font size label, which means that using the method does not change the font size dynamically. If you want to dynamically change the font size of an element, refer to the following example:
Extended reading: Changing page element Font Color
<script language= "JavaScript" >
function Changfont (x) {
document.getElementById ("article"). Style.fontsize = x;
}
</script>
<body>
<p>
<a onclick= "Changfont (14);" > Normal </a> <a onclick= "Changfont (20);" > Large </a>
</p>
<p id= "article" >
I am some words ... <br/>
Some Text ...
</p>
</body>
In this example, you can dynamically change the size of the font (id= "article") by using JavaScript to control how the font CSS style is styled.
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