I'm not very good with string manipulation in JavaScript, and I was wondering how you would go about shortening a string without cutting any word off. I know how to use substring, but not indexOf or anything really well.

Say I had the following string:

text = "this is a long string I cant display"

I want to trim it down to 10 characters, but if it doesn't end with a space, finish the word. I don't want the string variable to look like this:

"this is a long string I cant dis"

I want it to finish the word until a space occurs.

javascript string substring
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