I have had to use that one, parsing texts and I remember I had to reverse strings that represented tokens...but that was very specific.
What I would like to see in strings would be something like "firstCase" for transforming "felipe" into "Felipe" for example. I always have to use something like `str[0].toUpperCase() + str.slice(1)`. The only reason I would defend the "reverse" method in strings is because it makes sense. I think JavaScript is very intuitive, and, as Arrays do have the "reverse" method, that simply makes sense to have it in strings as well. Cheers. [ ]s *--* *Felipe N. Moura* Web Developer, Google Developer Expert <https://developers.google.com/experts/people/felipe-moura>, Founder of BrazilJS <https://braziljs.org/> and Nasc <http://nasc.io/>. Website: http://felipenmoura.com / http://nasc.io/ Twitter: @felipenmoura <http://twitter.com/felipenmoura> Facebook: http://fb.com/felipenmoura LinkedIn: http://goo.gl/qGmq --------------------------------- *Changing the world* is the least I expect from myself! On Sun, Mar 18, 2018 at 12:00 PM, Mark Davis ☕️ <m...@macchiato.com> wrote: > .reverse would only be reasonable for a subset of characters supported by > Unicode. Its primary cited use case is for a particular educational > example, when there are probably thousands of similar examples of educational > snippets that would be rarely used in a production environment. Given > that, it would be far better for those people who really need it to just > provide that to their students as a provided function for the sake of that > example. > > Mark > > On Sun, Mar 18, 2018 at 8:56 AM, Grigory Hatsevich <g.hatsev...@gmail.com> > wrote: > >> "This would remove the challenge and actively worsen their learning >> process" -- this is not true. You can see it e.g. by looking at the >> specific task I was talking about: >> >> "Given a string, find the shortest possible string which can be achieved >> by adding characters to the end of initial string to make it a palindrome." >> >> This is my code for this task: >> >> function buildPalindrome(s){ >> String.prototype.reverse=function(){ >> return this.split('').reverse().join('') >> } >> >> function isPalindrome(s){ >> return s===s.reverse() >> } >> for (i=0;i<s.length;i++){ >> first=s.slice(0,i); >> rest=s.slice(i); >> if(isPalindrome(rest)){ >> return s+first.reverse() >> } >> } >> } >> >> >> As you see, the essence of this challenge is not in the process of >> reversing a string. Having a reverse() method just makes the code more >> readable -- comparing to alternative when one would have to write >> .split('').reverse().join('') each time instead of just .reverse() >> >> On Sun, Mar 18, 2018 at 2:38 PM, Frederick Stark <coagm...@gmail.com> >> wrote: >> >>> The point of a coding task for a beginner is to practice their problem >>> solving skills to solve the task. This would remove the challenge and >>> actively worsen their learning process >>> >>> >>> On Mar 18 2018, at 6:26 pm, Grigory Hatsevich <g.hatsev...@gmail.com> >>> wrote: >>> >>> >>> My use case is solving coding tasks about palindromes on codefights.com. >>> Not sure if that counts as "real-world", but probably a lot of beginning >>> developers encounter such tasks at least once. >>> >>> >>> >>> >>> On Sun, 18 Mar 2018 06:41:46 +0700, Mathias Bynens <math...@qiwi.be> >>> wrote: >>> >>> So far no one has provided a real-world use case. >>> >>> On Mar 18, 2018 10:15, "Mike Samuel" <mikesam...@gmail.com >>> <https://link.getmailspring.com/link/1521358598.local-593d9031-9a3d-v1.1.5-5834c...@getmailspring.com/0?redirect=mailto%3Amikesamuel%40gmail.com&recipient=Zy5oYXRzZXZpY2hAZ21haWwuY29t>> >>> wrote: >>> >>> Previous discussion: https://esdiscuss.org/topic/wi >>> ki-updates-for-string-number-and-math-libraries#content-1 >>> <https://link.getmailspring.com/link/1521358598.local-593d9031-9a3d-v1.1.5-5834c...@getmailspring.com/1?redirect=https%3A%2F%2Fesdiscuss.org%2Ftopic%2Fwiki-updates-for-string-number-and-math-libraries%23content-1&recipient=Zy5oYXRzZXZpY2hAZ21haWwuY29t> >>> >>> """ >>> String.prototype.reverse(), as proposed, corrupts supplementary >>> characters. Clause 6 of Ecma-262 redefines the word "character" as "a >>> 16-bit unsigned value used to represent a single 16-bit unit of text", that >>> is, a UTF-16 code unit. In contrast, the phrase "Unicode character" is used >>> for Unicode code points. For reverse(), this means that the proposed spec >>> will reverse the sequence of the two UTF-16 code units representing a >>> supplementary character, resulting in corruption. If this function is >>> really needed (is it? for what?), it should preserve the order of surrogate >>> pairs, as does java.lang.StringBuilder.reverse: >>> download.oracle.com/javase/7/docs/api/java/lang/StringBuil >>> der.html#reverse() >>> <https://link.getmailspring.com/link/1521358598.local-593d9031-9a3d-v1.1.5-5834c...@getmailspring.com/2?redirect=http%3A%2F%2Fdownload.oracle.com%2Fjavase%2F7%2Fdocs%2Fapi%2Fjava%2Flang%2FStringBuilder.html%23reverse()&recipient=Zy5oYXRzZXZpY2hAZ21haWwuY29t> >>> """ >>> >>> On Sat, Mar 17, 2018 at 1:41 PM, Grigory Hatsevich < >>> g.hatsev...@gmail.com >>> <https://link.getmailspring.com/link/1521358598.local-593d9031-9a3d-v1.1.5-5834c...@getmailspring.com/3?redirect=mailto%3Ag.hatsevich%40gmail.com&recipient=Zy5oYXRzZXZpY2hAZ21haWwuY29t>> >>> wrote: >>> >>> Hi! I would propose to add reverse() method to strings. Something >>> equivalent to the following: >>> >>> String.prototype.reverse = function(){ >>> return this.split('').reverse().join('') >>> } >>> >>> It seems natural to have such method. Why not? >>> >>> >>> >>> >>> _______________________________________________ >>> es-discuss mailing list >>> es-discuss@mozilla.org >>> <https://link.getmailspring.com/link/1521358598.local-593d9031-9a3d-v1.1.5-5834c...@getmailspring.com/4?redirect=mailto%3Aes-discuss%40mozilla.org&recipient=Zy5oYXRzZXZpY2hAZ21haWwuY29t> >>> https://mail.mozilla.org/listinfo/es-discuss >>> <https://link.getmailspring.com/link/1521358598.local-593d9031-9a3d-v1.1.5-5834c...@getmailspring.com/5?redirect=https%3A%2F%2Fmail.mozilla.org%2Flistinfo%2Fes-discuss&recipient=Zy5oYXRzZXZpY2hAZ21haWwuY29t> >>> >>> >>> >>> >>> _______________________________________________ >>> es-discuss mailing list >>> es-discuss@mozilla.org >>> https://mail.mozilla.org/listinfo/es-discuss >>> >>> [image: Open Tracking] >> >> >> >> _______________________________________________ >> es-discuss mailing list >> es-discuss@mozilla.org >> https://mail.mozilla.org/listinfo/es-discuss >> >> > > _______________________________________________ > es-discuss mailing list > es-discuss@mozilla.org > https://mail.mozilla.org/listinfo/es-discuss > >
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