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Deprecated
This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Do not use it in old or new projects. Pages or Web apps using it may break at any time.

The fontsize() method creates a <font> HTML element that causes a string to be displayed in the specified font size.

Usage note: The <font> element has been removed in HTML5 and shouldn't be used anymore. Instead web developers should use CSS properties.

Syntax

str.fontsize(size)

Parameters

size
An integer between 1 and 7, a string representing a signed integer between 1 and 7.

Return value

A string containing a <font> HTML element.

Description

When you specify size as an integer, you set the font size of str to one of the 7 defined sizes. When you specify size as a string such as "-2", you adjust the font size of str relative to the size set in the <basefont> tag.

Examples

Using fontsize()

The following example uses string methods to change the size of a string:

var worldString = 'Hello, world';

console.log(worldString.small());     // <small>Hello, world</small>
console.log(worldString.big());       // <big>Hello, world</big>
console.log(worldString.fontsize(7)); // <font size="7">Hello, world</fontsize>

With the element.style object you can get the element's style attribute and manipulate it more generically, for example:

document.getElementById('yourElemId').style.fontSize = '0.7em';

Specifications

Specification Status Comment
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'String.prototype.fontsize' in that specification.
Standard Initial definition. Implemented in JavaScript 1.0. Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers.
ECMAScript 2017 Draft (ECMA-262)
The definition of 'String.prototype.fontsize' in that specification.
Draft Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) 1.0 (1.7 or earlier) (Yes) (Yes) (Yes)
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) 1.0 (1.0) (Yes) (Yes) (Yes)

See also

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