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已废弃
此功能已过时。虽然它可能在某些浏览器中仍然有效，但由于可以在任何时候删除它，所以不鼓励使用它。尽量避免使用。
The HTML Big Element (<big>) 会使字体加大一号（例如从小号(small)到中号(medium)，从大号(large)到加大(x-large)），最大不超过浏览器的最大字体。
使用备注:由于它是纯显示性的，该元素在HTML5中已经被移除，不应当再使用。取而代之，网页开发者应当使用CSS属性。
属性
只包含 全局属性
示例 1
<p> This is the first sentence. <big>This whole sentence is in bigger letters.</big></p>
示例 2 (CSS 版)
<p> This is the first sentence. <span style="font-size:1.2em">This whole sentence is in bigger letters.</span></p>
结果
这是第一句话。整个句子的字母更大。
DOM 接口
该元素实现了HTMLElement接口.
实现备注: 直到 Gecko 1.9.2, Firefox 为该元素实现了HTMLSpanElement接口.
浏览器兼容性
Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
Basic Support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
Feature | Android | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
|---|---|---|---|---|---|---|---|
Basic Support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |