ๆญค้กต้ข็”ฑ็คพๅŒบไปŽ่‹ฑๆ–‡็ฟป่ฏ‘่€Œๆฅใ€‚ไบ†่งฃๆ›ดๅคšๅนถๅŠ ๅ…ฅ MDN Web Docs ็คพๅŒบใ€‚

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end

end ็”จไบŽ็ปˆๆญข blockใ€loopใ€if ๆˆ– elseใ€‚ๅœจๅ…ถไป–็คบไพ‹ไธญ๏ผŒๆˆ‘ไปฌไฝฟ็”จ็š„ๆ˜ฏไธ้œ€่ฆ end ็š„ s ่กจ่พพๅผ๏ผŒๅ› ๆญคไฝ ไธไผšๅœจๅ“ชไบ›็คบไพ‹ไธญๆ‰พๅˆฐๅฎƒใ€‚็„ถ่€Œ๏ผŒไบ†่งฃๅฎƒไปๆ˜ฏๆœ‰็”จ็š„๏ผŒๅ› ไธบๆต่งˆๅ™จ็š„ๅผ€ๅ‘่€…ๅทฅๅ…ทๆ˜ฏ่ฟ™ๆ ทๆ˜พ็คบ็š„ใ€‚

ๅฐ่ฏ•ไธ€ไธ‹

(module
  ;; ๅฏผๅ…ฅๆต่งˆๅ™จ console ๅฏน่ฑก๏ผŒไฝ ้œ€่ฆๅฐ†ๅ…ถไปŽ JavaScript ไผ ๅ…ฅ
  (import "console" "log" (func $log (param i32)))

  (func
    i32.const 0 ;; ๅฆ‚ๆžœไฝ ๆƒณ่ฟ่กŒ if ๅ—๏ผŒๅฐ† 0 ไฟฎๆ”นไธบๆญฃๆ•ฐ
    if
      i32.const 1
      call $log ;; ๅบ”่ฏฅๆ‰“ๅฐโ€˜1โ€™
    end
  )

  (start 1) ;; ่‡ชๅŠจ่ฟ่กŒ็ฌฌไธ€ไธชๅ‡ฝๆ•ฐ
)
const url = "{%wasm-url%}";
await WebAssembly.instantiateStreaming(fetch(url), { console });

่ฏญๆณ•

wat
i32.const 0
if
  ;; ๅš็‚นไป€ไนˆ
end
ๆŒ‡ไปค ไบŒ่ฟ›ๅˆถๆ“ไฝœ็ 
end 0x0b