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HTML<wbr> 元素  — 一個(gè)文本中的位置,其中瀏覽器可以選擇來換行,雖然它的換行規(guī)則可能不會(huì)在這里換行。

內(nèi)容類別

Flow content, phrasing content.

允許的內(nèi)容

標(biāo)記遺漏

這是一個(gè)空的元素; 它必須有一個(gè)開始標(biāo)記,但不能有結(jié)束標(biāo)記。

允許的父母

任何接受 phrasing content 的元素。

允許ARIA角色

任何

DOM接口

HTML元素

屬性

這個(gè)元素只包含全局屬性。

說明

在 UTF-8 編碼的頁面中, <wbr> 表現(xiàn)為 U+200B ZERO-WIDTH SPACE (零寬空格)代碼點(diǎn)。特別是,它表現(xiàn)為 Unicode bidi BN 代碼點(diǎn),也就是說,它對(duì) bidi-ordering 沒有影響:<div dir=rtl>123,<wbr>456</div>當(dāng)不拆成的兩行時(shí)候, 展示123,456 而不是 456,123


同理, <?wbr?>元素不會(huì)在換行的地方引入連字符。為了使連字符僅僅在行尾出現(xiàn),使用連字符軟實(shí)體 (&?shy;) 來代替。


這個(gè)元素首先在Internet Explorer 5.5中實(shí)現(xiàn),并在HTML5中正式定義。

例子

The Yahoo Style Guide recommends breaking a URL before punctuation, to avoid leaving a punctuation mark at the end of the line, which the reader might mistake for the end of the URL.

<p>http://this<wbr>.is<wbr>.a<wbr>.really<wbr>.long<wbr>.example<wbr>.com/With<wbr>/deeper<wbr>/level<wbr>/pages<wbr>/deeper<wbr>/level<wbr>/pages<wbr>/deeper<wbr>/level<wbr>/pages<wbr>/deeper<wbr>/level<wbr>/pages<wbr>/deeper<wbr>/level<wbr>/pages</p>

瀏覽器兼容性

Specification

Status

Comment

HTML Living StandardThe definition of '<wbr>' in that specification.

Living Standard


HTML5The definition of '<wbr>' in that specification.

Recommendation


Browser compatibility

Feature

Chrome

Edge

Firefox

Internet Explorer

Opera

Safari

Basic Support

1

(Yes)

1

5.5 — 7

11.7

4

Feature

Android

Chrome for Android

Edge mobile

Firefox for Android

IE mobile

Opera Android

iOS Safari

Basic Support

(Yes)

(Yes)

(Yes)

1

?

?

?

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