How to use automatic CSS hyphens with `word-break: break-all`?

Question

I\'m using word-break: break-all; and want to know how I can have the browser automatically insert the hyphens, as demonstrated in an MDN example.

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Answer 1

The word-break property and hyphenation are two completely different things. The first one, originally intended for East Asian languages mainly, does bad things to languages like English: it arbitr arily cuts w ords at some poi nts without ind icating that a word has been broke n.

So you should decide whether you have an expression where a line break can be inserted by a browser at any point or whether you want hyphenation.

For hyphenation, the CSS code as such is OK, though many people would advice putting the standard property setting hyphens: auto last, after prefixed properties. But it requires that the language of the text be declared in HTML markup, using e.g. <div lang=en>. Moreover, browser support is still limited: IE 9 does not support such hyphenation, and the support in IE 10 covers a relatively small set of languages (including English of course).

For automatic hyphenation on IE 9, you would need to use either server-side programmed hyphenation or, simpler, client-side hyphenation with tools like Hyphenator.js.

Answer 2

The -ms-hyphens property only works in IE10+. It's not possible in IE9 or below.

See the browser compatibility chart at the bottom of the reference link you provided.

It doesn't work in Chrome yet: WebKit Hyphenation

Answer 3

Hyphens are inserted if the browser supports & language includes a hyphenation dictionary. But your

aaaaaaaaaaaaaaaaaa

isn't in a dictionary.

Therefore you have to insert soft hyphens ­ to your satisfaction like in https://jsfiddle.net/LJYj3/5/

Here's more food for thought: https://stackoverflow.com/a/856322/1696030