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Readable JavaScript Values

Started by osteele · 6 months ago

One problem with JavaScript development is that the string representation of a value doesn't tell you much about the value. For example, [null], [undefined], and '' all display as the empty string. % ... Continue reading »

6 comments

  • Asger Ottar Alstrup

    3 years ago

    How does this compare to JSON?
    reply
  • Oliver

    3 years ago

    Good question. In brief, JSON output is intended for consumption by computers and by libraries written in other languages, and Readable output is intended for humans. This has all sorts of repercussions such as whether RegExps, null, undefined, and NaN are represented; whether representations can be limited in length or depth, and so on. For a longer answer, see the bottom of the docs http://osteele.com/sources/javascript/docs/read..., where I've just added a list of differences.
    reply
  • Rick Thomas

    3 years ago

    Thanks, Oliver.
    This is a much needed tool that saved the day today and I'm sure on many future days.
    Good work! Now to spread the word.
    reply
  • Vijay Santhanam

    1 year ago

    Thanks Oliver. This is very handy.

    I'm starting to code thicker clients with javascript and I've been looking for cool debugging tools like this.

    Is it okay if I try merging this with jquery.debug?
    http://jquery.glyphix.com/

    Also, I believe the first check for null and undefined in Readable.toReadable(value,options) should return a "new String(value)" and not "String(value)".
    reply
  • Vijay Santhanam

    1 year ago

    Nope, not sure what i was witnessing, but new String(value) is wrong too. String(value) is now working for me. Readable.toReadable(null) returns a string now
    reply
  • Vijay Santhanam

    1 year ago

    I think your constructor checks in Readable.toReadable(value,options) for Regexp, String etc should also include Date to use the native toString() date stringifier.
    reply
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