JavaScript: Resizing text to fit in a container
by Dan Linn, Front-End Architect / Fun Master
This span is too big for this div
This is a simple problem and a simple solution. Often in the world of dynamic data we find ourselves with data that is larger than the container. There are ways of handling this like a scrolling div or adding ellipses to chopped of text, but what if you absolutely must see all of the text and are willing to change to font size to accomplish this? Using this little recursive jQuery snippet you can accomplish this.
function adjustHeights(elem) { var fontstep = 2; if ($(elem).height()>$(elem).parent().height() || $(elem).width()>$(elem).parent().width()) { $(elem).css('font-size',(($(elem).css('font-size').substr(0,2)-fontstep)) + 'px').css('line-height',(($(elem).css('font-size').substr(0,2))) + 'px'); adjustHeights(elem); } }
Here's the same div as above with the script applied:
This span is too big for this div
You can modify the fontstep variable to resize at a faster rate if you want. I find that resizing in increments of two makes the most sense. That's all there is to it. Enjoy.
EDIT: I added a bit of a timeout to give the webfont time to load first...
Comments
fittext
Posted by Robbie Ferrero on . [Reply]
Nice. If you're wanting a single line bit of text to enlarge or shrink based on web browser size you can also check out http://fittextjs.com/
Nice
Posted by Dylan Tack on . [Reply]
Are there other options for delaying the resize, since there's no way to predict when the font will load? Perhaps Google's Web Font Loader could help (it offers a
setOnLoadCallback()event).The logic seems a little off, if the font size gets below 10 I think you'll end up in an infinite loop. A minimum size or depth limit on the recursion might be useful.
Right
Posted by Dan Linn on . [Reply]
Right on all counts. The web font issue didn't come up for me when I developed this as the font was on the same server. The possible infinite loop is just sloppy.
Thank you
Posted by Luke from Brazil on . [Reply]
very good article, thank you :)
Any word on how to handle font loader case?
Posted by Joe Anderson on . [Reply]
Any solutions for waiting for the web font to load? Looking to use this on mobile so I get a bit worried about how long it might take to load certain elements.
Thanks for writing this up, the code makes a lot of sense
Use the Google Font Loader
Posted by Dan Linn on . [Reply]
Use the tool mentioned by Dylan in comment #2
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