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WebAssembly.compile()

Baseline
*

201710

*

WebAssembly.compile() WebAssembly WebAssembly.Module ( WebAssembly.instantiate() )

js
WebAssembly.compile(bufferSource);

bufferSource

.wasm ArrayBuffer

WebAssembly.Module Promise

compile

simple.wasm compile() postMessage()

js
var worker = new Worker("wasm_worker.js");

fetch("simple.wasm")
  .then((response) => response.arrayBuffer())
  .then((bytes) => WebAssembly.compile(bytes))
  .then((mod) => worker.postMessage(mod));

: WebAssembly.compileStreaming() compile()

WebAssembly JavaScript Interface
# dom-webassembly-compile

MDN

MDN 2026523

GitHub
  1. WebAssembly
  2. Guides
  3. WebAssembly
  4. Compiling WebAssembly
    1. C/C++ WebAssembly
    2. C WebAssembly
    3. Rust WebAssembly
  5. WebAssembly language
    1. WebAssembly
    2. WebAssembly Wasm
    3. WebAssembly
    4. JavaScript
  6. JavaScript API guide
    1. WebAssembly JavaScript API
    2. WebAssembly
  7. Reference
  8. JavaScript
    1. WebAssembly
      1. WebAssembly.compile()
      2. WebAssembly.compileStreaming()
      3. WebAssembly.instantiate()
      4. WebAssembly.instantiateStreaming()
      5. WebAssembly.promising()
      6. WebAssembly.validate()
    2. WebAssembly.Global
      1. Global()
      2. value
      3. valueOf()
    3. WebAssembly.Instance
      1. WebAssembly.Instance.prototype.exports
      2. WebAssembly.Instance()
    4. WebAssembly.Memory
      1. WebAssembly.Memory.prototype.buffer
      2. WebAssembly.Memory.prototype.grow()
      3. WebAssembly.Memory()
    5. WebAssembly.Module
      1. WebAssembly.Module.customSections()
      2. WebAssembly.Module.exports()
      3. WebAssembly.Module.imports()
      4. WebAssembly.Module()
    6. WebAssembly.Suspending
      1. WebAssembly.Suspending()
    7. WebAssembly.Table
      1. WebAssembly.Table.prototype.get()
      2. WebAssembly.Table.prototype.grow()
      3. WebAssembly.Table.prototype.length
      4. WebAssembly.Table.prototype.set()
      5. WebAssembly.Table()
    8. WebAssembly.Tag
      1. WebAssembly.Tag.prototype.type()
      2. WebAssembly.Tag() constructor
    9. WebAssembly.Exception
      1. WebAssembly.Exception constructor
      2. WebAssembly.Exception.prototype.getArg()
      3. WebAssembly.Exception.prototype.is()
      4. WebAssembly.Exception.prototype.stack
    10. WebAssembly.CompileError
      1. WebAssembly.CompileError()
    11. WebAssembly.LinkError
      1. WebAssembly.LinkError()
    12. WebAssembly.RuntimeError
      1. WebAssembly.RuntimeError()
    13. WebAssembly.SuspendError
      1. WebAssembly.SuspendError() constructor
  9. Value types
    1. i32
    2. i64
    3. f32
    4. f64
    5. v128
    6. funcref
    7. exnref
    8. externref
  10. Definitions
    1. Types
      1. func
    2. data
    3. elem
    4. global
    5. import
    6. memory
    7. table
    8. tag
  11. Instructions
    1. Control flow
      1. block
      2. br
      3. br_if
      4. br_table
      5. call
      6. drop
      7. end
      8. if...else
      9. loop
      10. nop
      11. return
      12. select
      13. unreachable
    2. Data
      1. drop
    3. Elem
      1. drop
    4. Exception handling
      1. throw
      2. throw_ref
      3. try_table
        1. catch
        2. catch_all
        3. catch_all_ref
        4. catch_ref
    5. Memory
      1. copy
      2. fill
      3. grow
      4. init
      5. load
      6. size
      7. store
    6. Numeric
      1. abs
      2. add
      3. add128
      4. and
      5. ceil
      6. clz
      7. const
      8. convert
      9. copysign
      10. ctz
      11. demote
      12. div
      13. eq
      14. eqz
      15. extend
      16. extend8_s
      17. extend16_s
      18. extend32_s
      19. floor
      20. ge
      21. ge_s
      22. ge_u
      23. gt
      24. gt_s
      25. gt_u
      26. le
      27. le_s
      28. le_u
      29. lt
      30. lt_s
      31. lt_u
      32. max
      33. min
      34. mul
      35. mul_wide_s
      36. mul_wide_u
      37. ne
      38. nearest
      39. neg
      40. or
      41. popcnt
      42. promote_32
      43. reinterpret
      44. rem
      45. rotl
      46. rotr
      47. shl
      48. shr_s
      49. shr_u
      50. sqrt
      51. sub
      52. sub128
      53. trunc
      54. trunc_f32_s
      55. trunc_f32_u
      56. trunc_f64_s
      57. trunc_f64_u
      58. wrap_i64
      59. xor
    7. SIMD
      1. Arithmetic
        1. add_sat_s
        2. add_sat_u
        3. avgr_u
        4. dot_i16x8_s
        5. extadd_pairwise_i8x16_s
        6. extadd_pairwise_i8x16_u
        7. extadd_pairwise_i16x8_s
        8. extadd_pairwise_i16x8_u
        9. extmul_high_i8x16_s
        10. extmul_high_i8x16_u
        11. extmul_high_i16x8_s
        12. extmul_high_i16x8_u
        13. extmul_high_i32x4_s
        14. extmul_high_i32x4_u
        15. extmul_low_i8x16_s
        16. extmul_low_i8x16_u
        17. extmul_low_i16x8_s
        18. extmul_low_i16x8_u
        19. extmul_low_i32x4_s
        20. extmul_low_i32x4_u
        21. max_s
        22. max_u
        23. min_s
        24. min_u
        25. pmax
        26. pmin
        27. q15mulr_sat_s
        28. sub_sat_s
        29. sub_sat_u
      2. Bitwise
        1. all_true
        2. andnot
        3. any_true
        4. bitmask
        5. bitselect
        6. not
      3. Conversion
        1. convert_i32x4_s
        2. convert_i32x4_u
        3. convert_low_i32x4_s
        4. convert_low_i32x4_u
        5. demote_f64x2_zero
        6. extend_high_i8x16_s
        7. extend_high_i8x16_u
        8. extend_high_i16x8_s
        9. extend_high_i16x8_u
        10. extend_high_i32x4_s
        11. extend_high_i32x4_u
        12. extend_low_i8x16_s
        13. extend_low_i8x16_u
        14. extend_low_i16x8_s
        15. extend_low_i16x8_u
        16. extend_low_i32x4_s
        17. extend_low_i32x4_u
        18. narrow_i16x8_s
        19. narrow_i16x8_u
        20. narrow_i32x4_s
        21. narrow_i32x4_u
        22. promote_low_f32x4
        23. replace_lane
        24. shuffle
        25. splat
        26. swizzle
        27. trunc_sat_f32x4_s
        28. trunc_sat_f32x4_u
        29. trunc_sat_f64x2_s_zero
        30. trunc_sat_f64x2_u_zero
      4. Extract
        1. extract_lane
        2. extract_lane_s
        3. extract_lane_u
      5. Load and store
        1. load
        2. load8_lane
        3. load8_splat
        4. load8x8_s
        5. load8x8_u
        6. load16_lane
        7. load16_splat
        8. load16x4_s
        9. load16x4_u
        10. load32_lane
        11. load32_splat
        12. load32_zero
        13. load32x2_s
        14. load32x2_u
        15. load64_lane
        16. load64_splat
        17. load64_zero
        18. store
        19. store8_lane
        20. store16_lane
        21. store32_lane
        22. store64_lane
    8. Table
      1. copy
      2. fill
      3. get
      4. grow
      5. init
      6. set
      7. size
    9. Variables
      1. global.get
      2. global.set
      3. local
      4. local.get
      5. local.set
      6. local.tee
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