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JavaScript

Scheduled Pinned Locked Moved Programmer Humor
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  • cm0002@lemmy.worldC [email protected]
    This post did not contain any content.
    calavera@lemmy.zipC This user is from outside of this forum
    calavera@lemmy.zipC This user is from outside of this forum
    [email protected]
    wrote on last edited by
    #130

    It makes sense though

    Q Z P 3 Replies Last reply
    8
    • H [email protected]

      I know nothing about javascript, what is wrong with using + for math? perhaps naively, I'd say it looks suited for the job

      Q This user is from outside of this forum
      Q This user is from outside of this forum
      [email protected]
      wrote on last edited by
      #131

      It's much better to make your own function that uses bitwise operations to do addition.

      function add(a, b) {
          while (b !== 0) {
              // Calculate carry
              let carry = a & b;
      
              // Sum without carry
              a = a ^ b;
      
              // Shift carry to the left
              b = carry << 1;
          }
          return a;
      }
      

      (For certain definitions of better.)

      1 Reply Last reply
      5
      • F [email protected]

        Not really, considering Typescript only adds static types to JS. It's not a different language, it's an extension.

        Q This user is from outside of this forum
        Q This user is from outside of this forum
        [email protected]
        wrote on last edited by
        #132

        Since it needs to be compiled to JavaScript in order to be used, I kind of consider it a different language. Yes, it's a strict superset of JavaScript, but that makes it different.

        F 1 Reply Last reply
        5
        • D [email protected]

          Yeah, this looks dumb on the surface, but you've got bigger problems if you're trying to do math with strings

          K This user is from outside of this forum
          K This user is from outside of this forum
          [email protected]
          wrote on last edited by
          #133

          Better than doing physics with strings

          1 Reply Last reply
          1
          • M [email protected]

            That's also my understanding: "Javascript is great because you can use other languages and then transpile them to JS."

            K This user is from outside of this forum
            K This user is from outside of this forum
            [email protected]
            wrote on last edited by
            #134

            Oh man machine language is so good, literally the best actually

            1 Reply Last reply
            2
            • H [email protected]

              I know nothing about javascript, what is wrong with using + for math? perhaps naively, I'd say it looks suited for the job

              _ This user is from outside of this forum
              _ This user is from outside of this forum
              [email protected]
              wrote on last edited by
              #135

              The correct way to do it is to load a 500mb library that has an add function in it.

              B 1 Reply Last reply
              14
              • calavera@lemmy.zipC [email protected]

                It makes sense though

                Q This user is from outside of this forum
                Q This user is from outside of this forum
                [email protected]
                wrote on last edited by
                #136

                https://en.wikipedia.org/wiki/Stockholm_syndrome

                M 1 Reply Last reply
                26
                • S [email protected]

                  So, just don’t use JavaScript?

                  S This user is from outside of this forum
                  S This user is from outside of this forum
                  [email protected]
                  wrote on last edited by
                  #137

                  Yeah! Wasm is a thing. At least rust and go are pretty neat in the browser lately.

                  We should leave that pile of semantics and just go further with web development

                  1 Reply Last reply
                  0
                  • Q [email protected]

                    Since it needs to be compiled to JavaScript in order to be used, I kind of consider it a different language. Yes, it's a strict superset of JavaScript, but that makes it different.

                    F This user is from outside of this forum
                    F This user is from outside of this forum
                    [email protected]
                    wrote on last edited by [email protected]
                    #138

                    That's your prerogative, but it honestly doesn't make sense. Typescript adds almost no functionality to JS (and the few pieces it adds are now considered mistakes that shouldn't be used anymore). It only focuses on adding typing information, and in the future you'll be able to run TS that doesn't use those few added features as JS (see the proposal).

                    You can also add the TS types as comments in your JS code, which IMO shows that it's not a different language.

                    1 Reply Last reply
                    1
                    • M [email protected]

                      That's also my understanding: "Javascript is great because you can use other languages and then transpile them to JS."

                      F This user is from outside of this forum
                      F This user is from outside of this forum
                      [email protected]
                      wrote on last edited by [email protected]
                      #139

                      JS itself is great, I prefer it to most other languages due to the flexibility that it allows. Adding types through TS to safeguard against footguns doesn't mean you're not still using JS. You can also add the types using comments instead if you prefer it, which means you're actually writing raw JS.

                      1 Reply Last reply
                      0
                      • calavera@lemmy.zipC [email protected]

                        It makes sense though

                        Z This user is from outside of this forum
                        Z This user is from outside of this forum
                        [email protected]
                        wrote on last edited by
                        #140

                        .... It does?

                        1 Reply Last reply
                        6
                        • _ [email protected]

                          The correct way to do it is to load a 500mb library that has an add function in it.

                          B This user is from outside of this forum
                          B This user is from outside of this forum
                          [email protected]
                          wrote on last edited by [email protected]
                          #141

                          Point taken but the one I use is only ~200k for the whole package, ~11k for the actual file that gets loaded

                          1 Reply Last reply
                          0
                          • H [email protected]

                            I know nothing about javascript, what is wrong with using + for math? perhaps naively, I'd say it looks suited for the job

                            B This user is from outside of this forum
                            B This user is from outside of this forum
                            [email protected]
                            wrote on last edited by [email protected]
                            #142

                            The native arithmetic operators are prone to floating point rounding errors

                            1 Reply Last reply
                            1
                            • supervisor194@lemmy.worldS [email protected]

                              So all you've mustered is some lame-ass ad-hominem? Have a good day

                              S This user is from outside of this forum
                              S This user is from outside of this forum
                              [email protected]
                              wrote on last edited by
                              #143

                              No, it just so happens I have a minute to talk about our lord and saviour JS. What is His holy and sacred mission?

                              supervisor194@lemmy.worldS 1 Reply Last reply
                              0
                              • Q [email protected]

                                https://en.wikipedia.org/wiki/Stockholm_syndrome

                                M This user is from outside of this forum
                                M This user is from outside of this forum
                                [email protected]
                                wrote on last edited by
                                #144

                                This here is my absolute favorits way to diss someone. Send the a wikipeda link and bam!

                                rivalarrival@lemmy.todayR 1 Reply Last reply
                                4
                                • S [email protected]

                                  No, it just so happens I have a minute to talk about our lord and saviour JS. What is His holy and sacred mission?

                                  supervisor194@lemmy.worldS This user is from outside of this forum
                                  supervisor194@lemmy.worldS This user is from outside of this forum
                                  [email protected]
                                  wrote on last edited by [email protected]
                                  #145

                                  Ah, you're a troll. I see. Blocked.

                                  S 1 Reply Last reply
                                  0
                                  • supervisor194@lemmy.worldS [email protected]

                                    Ah, you're a troll. I see. Blocked.

                                    S This user is from outside of this forum
                                    S This user is from outside of this forum
                                    [email protected]
                                    wrote on last edited by
                                    #146

                                    You asked for it, smart ass

                                    1 Reply Last reply
                                    0
                                    • K [email protected]

                                      That is just the tip of the iceberg:

                                      https://whatthefsharp.com/JavaScript/3

                                      A This user is from outside of this forum
                                      A This user is from outside of this forum
                                      [email protected]
                                      wrote on last edited by
                                      #147

                                      so plus coerces into string if not number, was that so hard?

                                      1 Reply Last reply
                                      1
                                      • W [email protected]

                                        This has got to be baNaNa

                                        maggiwuerze@feddit.orgM This user is from outside of this forum
                                        maggiwuerze@feddit.orgM This user is from outside of this forum
                                        [email protected]
                                        wrote on last edited by
                                        #148

                                        1 Reply Last reply
                                        0
                                        • calavera@lemmy.zipC [email protected]

                                          It makes sense though

                                          P This user is from outside of this forum
                                          P This user is from outside of this forum
                                          [email protected]
                                          wrote on last edited by
                                          #149

                                          It does to some degree.

                                          • "11" is string, 1 is an int, because strings can be added (+) convert int to string and combine: "11"+"1" = "111"
                                          • "11" is string, 1 is an int, because strings cant be subtracted (-) convert string to int and combine: 11-1 = 10

                                          I'm not into JS so I don't know how it takes priority. ints can be added too, so I guess its basing it on the first variable which is compatible with the operator: in the first case string, in the second case int.

                                          If this is how it works, it makes sense. But imo its a case of the designers being preoccupied with whether or not they could, they didn't stop to think if they should.

                                          1 Reply Last reply
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