问题

How do you solve the problem with soft hyphens on your web pages? In a text there can be long words which you might want to line break with a hyphen. But you do not want the hyphen to show if the whole word is on the same line.

According to comments on this page  is a non standard "tag soup invented by Netscape". It seems like  has its problems with standard compliance as well. There seems to be no way to get a working solution for all browsers.

Which is your way for handling soft hyphens and why did you choose it? Is there a preferred solution or best practice?

See related SO Discussion here.

回答1:

~~Unfortunately, &shy's support is so inconsistent between browsers that it can't really be used.~~

~~QuirksMode is right -- there's no good way to use soft hyphens in HTML right now. See what you can do to go without them.~~

2013 edit: According to QuirksMode,  now works/is supported on all major browsers.

回答2:

Feb 2015 summary (partially updated Nov 2017)

They all perform pretty well,  edges it as Google can still index of words containing it.

In browsers:  and  both display as expected in major browsers (even old IE!).  isn't supported in recent versions of IE (10 or 11) and doesn't work properly in Edge.
When copied and pasted from browsers: (tested 2015) as expected for  and  for Chrome and Firefox on Mac, on Windows (10), it keeps the characters and pastes hard hyphens into Notepad and invisible soft hyphens into applications that support them. IE (win7) always pastes with hyphens, even in IE10, and Safari (Mac) copies in a way which pastes as hyphens in some applications (e.g. MS Word), but not others
Find on page works for  and  on all browsers except IE which only matches exact copied-and-pasted matches (even up to IE11)
Search engines: Google matches words containing  with words typed normally. As of 2017 it appears to no longer match words containing . Yandex appers to be the same. Bing and Baidu seem to not match either.

Test it

For up-to-date live testing, here are some examples of unique words with soft hyphens.

 - confumbabblicationism - confumbabblicationism
- ..............................................................................................................confumbabblicationism
- ..................................................................................................................confumbabblicationism

 - donfounbabblicationism. This site removes  from output. Here's a jsbin.com snippet for testing.

 - eonfulbabblicationism - eonfulbabblicationism
- .................................................................................................................eonfulbabblicationism
- ....................................................................................................................eonfulbabblicationism

Here they are with no shy hyphens (this is for copying and pasting into find-on-page testing; written in a way which won't break the search engine tests):

ZZZconfumbabblicationismZZZdonfounbabblicationismZZZeonfulbabblicationismZZZ

Display across browsers

Success: displaying as a normal word, except where it should break, when it breaks and hyphenates in the specified place.

Failure: displaying unusually, or failing to break in the intended place.

Chrome (40.0.2214.115, Mac):  success,  success,  success
Firefox (35.0.1, Mac):  success,  success,  success
Safari (6.1.2, Mac):  success,  not tested yet,  success
Edge (Windows 10):  success,  fail (break but no hyphen),  success
IE11 (Windows 10):  success,  fail (no break),  success
IE10 (Windows 10):  success,  fail (no break),  success
IE8 (Windows 7): erratic - sometimes, none of them work at all and they all just follow css word-wrap. Sometimes, they seem to all work. Not yet found any clear pattern as to why.
IE7 (Windows 7):  success,  success,  success

Copy-paste across browsers

Success: copying and pasting the whole word, unhyphenated. (tested on Mac pasting into browser search, MS Word 2011, and Sublime Text)

Failure: pasting with a hyphen, space, line break, or with junk characters.

Chrome (40.0.2214.115, Mac):  success,  success,  success
Firefox (35.0.1, Mac):  success,  success,  success
Safari (6.1.2, Mac):  fail into MS Word (pastes all as hyphens), success in other applications  fail,  fail into MS Word (pastes all as hyphens), success in other applications
IE10 (Win7):  fail pastes all as hyphens,  fail,  fail pastes all as hyphens
IE8 (Win7):  fail pastes all as hyphens,  fail,  fail pastes all as hyphens
IE7 (Win7):  fail pastes all as hyphens,  fail,  fail pastes all as hyphens

Search engine matching

Updated in November 2017.  not tested because StackOverflow's CMS stripped it out.

Success: searches on the whole, non-hyphenated word find this page.

Failure: search engines only find this page on searches for the broken segments of the words, or a word with hyphens.

Google:  fails,  succeeds
Bing:  fails,  fails
Baidu:  fails,  fails (can match fragments within longer strings but not the words on their own containing a  or )
Yandex:  fails,  succeeds (though it's possible it's matching a string fragment like Baidu, not 100% sure)

Find on page across browsers

Success and failure as search engine matching.

Chrome (40.0.2214.115, Mac):  success,  success,  success
Firefox (35.0.1, Mac):  success,  success,  success
Safari (6.1.2, Mac):  success,  success,  success
IE10 (Win7):  fail only matches when both contain shy hyphens,  success,  fail only matches when both contain shy hyphens
IE8 (Win7):  fail only matches when both contain shy hyphens,  success,  fail only matches when both contain shy hyphens
IE7 (Win7):  fail only matches when both contain shy hyphens,  success,  fail only matches when both contain shy hyphens

回答3:

There is an ongoing effort to standardize hyphenation in CSS3.

Some modern browsers, notably Safari and Firefox, already support this. Here is a good and up to date reference on browser support.

Once the CSS hyphenation gets implemented universally, that would be the best solution. In the meantime, I can recommend Hyphenator - a JS script that figures out how to hyphenate your text in the way most appropriate for a particular browser.

Hyphenator:

relies on Franklin M. Liangs hyphenation algorithm, commonly known from LaTeX and OpenOffice.
uses CSS3 hyphenation where it is available,
automatically inserts  on most other browsers,
supports multiple languages,
is highly configurable,
gracefully falls back in case javascript is not enabled.

I've used it and it works great!

回答4:

I use , inserted manually where necessary.

I always find it a pity that people don’t use techniques because there is some—maybe old or strange—browser around which doesn’t handle them the way they were specified. I found that  is working properly in both recent Internet Explorer and Firefox browsers, that should be enough. You may include a browser check telling people to use something mature or continue at their own risk if they come around with some strange browser.

Syllabification isn’t that easy and I cannot recommend leaving it to some Javascript. It’s a language specific topic and may need to be carefully revised by the deskman if you don’t want it to turn your text irritating. Some languages, such as German, form compound words and are likely to lead to decomposition problems. E.g. Spargelder (germ. saved money, pl.) may, by syllabification rules, be wrapped in two places (Spar-gel-der). However, wrapping it in the second position, turns the first part to show up as Spargel- (germ. asparagus), activating a completely misleading concept in the head of the reader and therefore shoud be avoided.

And what about the string Wachstube? It could either mean ‘guardroom’ (Wach-stu-be) or ‘tube of wax’ (Wachs-tu-be). You may probably find other examples in other languages as well. You should aim to provide an environment in which the deskman can be supported in creating a well-syllabified text, proof-reading every critical word.

回答5:

It is very important to notice that, as of HTML5,  and  are not supposed to do the same thing!

Soft hyphens

 is a soft hyphen, i.e., U+00AD: SOFT HYPHEN. For example,

innehålls&shy;förteckning

might be rendered as

innehållsförteckning

or as

innehålls-
förteckning

As of today, soft hyphens work in Firefox, Chrome, and Internet Explorer.

The wbr element

The wbr element is a word-break opportunity, which will not display a hyphen if a line break occurs. For example,

ABCDEFG<wbr/>abcdefg

might be rendered as

ABCDEFGabcdefg

or as

ABCDEFG
abcdefg

As of today, this element works in Firefox and Chrome.

回答6:

The zero-width space entity can be used in place of  tag reliably on virtually every platform.

&#8203;

Also useful is the word joiner entity, that can be used to prohibit a break. (Insert between each character of a word, except where you want the break.)

&#8288;

With the two of these, you can do anything.

回答7:

This is a crossbrowser solution that I was looking at a little while ago that runs on the client and using jQuery:

(function($) { 
  $.fn.breakWords = function() { 
    this.each(function() { 
      if(this.nodeType !== 1) { return; } 

      if(this.currentStyle && typeof this.currentStyle.wordBreak === 'string') { 
        //Lazy Function Definition Pattern, Peter's Blog 
        //From http://peter.michaux.ca/article/3556 
        this.runtimeStyle.wordBreak = 'break-all'; 
      } 
      else if(document.createTreeWalker) { 

        //Faster Trim in Javascript, Flagrant Badassery 
        //http://blog.stevenlevithan.com/archives/faster-trim-javascript 

        var trim = function(str) { 
          str = str.replace(/^\s\s*/, ''); 
          var ws = /\s/, 
          i = str.length; 
          while (ws.test(str.charAt(--i))); 
          return str.slice(0, i + 1); 
        }; 

        //Lazy Function Definition Pattern, Peter's Blog 
        //From http://peter.michaux.ca/article/3556 

        //For Opera, Safari, and Firefox 
        var dWalker = document.createTreeWalker(this, NodeFilter.SHOW_TEXT, null, false); 
        var node,s,c = String.fromCharCode('8203'); 
        while (dWalker.nextNode()) { 
          node = dWalker.currentNode; 
          //we need to trim String otherwise Firefox will display 
          //incorect text-indent with space characters 
          s = trim( node.nodeValue ).split('').join(c); 
          node.nodeValue = s; 
        } 
      } 
    }); 

    return this; 
  }; 
})(jQuery);

回答8:

I suggest using wbr, so the code can be written like this:

<p>这里有一段很长，很长的<wbr
></wbr>文字；这里有一段</p>

It won't lead space between charaters, while  won't stop spaces created by line breaks.

回答9:

I used soft hyphen unicode character successfully in few desktop and mobile browsers to solve the issue.

The unicode symbol is \u00AD and is pretty easy to insert into Python unicode string like s = u'Языки и методы програм\u00ADми\u00ADро\u00ADва\u00ADния'.

Other solution is to insert the unicode char itself, and the source string will look perfectly ordinary in editors like Sublime Text, Kate, Geany, etc (cursor will feel the invisible symbol though).

Hex editors of in-house tools can automate this task easily.

An easy kludge is to use rare and visible character, like ¦, which is easy to copy and paste, and replace it on soft hyphen using, e.g. frontend script in $(document).ready(...). Source code like s = u'Языки и методы про¦гра¦м¦ми¦ро¦ва¦ния'.replace('¦', u'\u00AD') is easier to read than s = u'Языки и методы про\u00ADг\u00ADра\u00ADм\u00ADми\u00ADро\u00ADва\u00ADния'.

回答10:

Sometimes web browsers seems to be more forgiving if you use the Unicode string  rather than the  entity.

回答11:

If you have bad luck and still has to use JSF 1, then the only solution is to use ,  does not work.

回答12:

and

Today you can use both.

 use to break and do not put more information.

Example, use to show links:

 https://stackoverflow.com/questions/226464/soft-hyphen-in-html-wbr-vs-shy

 when necessary, at this point the text will break and add a hyphen.

Example:

"É impossível para um homem aprender aquilo que ele acha que já sabe."

div{
  max-width: 130px;
  border-width: 2px;
  border-style: dashed;
  border-color: #f00;
  padding: 10px;
}

<div>https://<wbr>stackoverflow.com<wbr>/questions/226464<wbr>/soft-hyphen-in-<wbr>html-wbr-vs-shy</div>

<div>É im&shy;pos&shy;sí&shy;vel pa&shy;ra um ho&shy;mem a&shy;pren&shy;der a&shy;qui&shy;lo que ele acha que já sa&shy;be.</div>

来源：https://stackoverflow.com/questions/226464/soft-hyphen-in-html-wbr-vs-shy

标签

html

text

soft-hyphen

wbr

Soft hyphen in HTML (<wbr> vs. )

问题

回答1:

回答2:

Feb 2015 summary (partially updated Nov 2017)

Test it

Display across browsers

Copy-paste across browsers

Search engine matching

Find on page across browsers

回答3:

回答4:

回答5:

回答6:

回答7:

回答8:

回答9:

回答10:

回答11:

回答12:

<wbr> and

Soft hyphen in HTML (<wbr> vs. ­)

问题

回答1:

回答2:

Feb 2015 summary (partially updated Nov 2017)

Test it

Display across browsers

Copy-paste across browsers

Search engine matching

Find on page across browsers

回答3:

回答4:

回答5:

回答6:

回答7:

回答8:

回答9:

回答10:

回答11:

回答12:

<wbr> and &shy;

Soft hyphen in HTML (<wbr> vs. )

<wbr> and