The only difference in the documentation between the two is that overflow-wrap: anywhere DOES "consider soft wrap opportunities introduced by ... ... <看更多>

This is the default option. break-word: Lines can be broken at any point if necessary to preserve the limits of the container element – for example, “hamburger” ... ... <看更多>

The only difference between these two sets of styles is the addition of overflow-wrap: break-word . However, overflow-wrap: break-word shouldn't ... ... <看更多>

We can now use overflow-wrap to control how words break – and combine that with hyphens to make wrapped ... ... <看更多>

#tooltip:hover .tooltiptext { white-space: normal; visibility: visible; word-wrap:break-word; overflow-wrap: break-word; }. ... <看更多>

Personally, I default to use html { overflow-wrap: break-word; } (https://www.w3.org/TR/css-text/#overflow-wrap-property) specifically to allow wrapping of ... ... <看更多>