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WebAssembly memory instructions - WebAssembly

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1. WebAssembly
2. Reference
3. WebAssembly memory instructions

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1. WebAssembly
2. Guides
3. WebAssembly concepts
4. Compiling from C/C++ to WebAssembly
5. Compiling an existing C module to WebAssembly
6. Compiling from Rust to WebAssembly
7. Using the WebAssembly JavaScript API
8. Understanding WebAssembly text format
9. Converting WebAssembly text format
10. Loading and running WebAssembly code
11. Exported WebAssembly functions
12. JavaScript builtins
13. Imported global string constants
14. Reference
15. JavaScript interface
    1. WebAssembly
       1. WebAssembly.compile()
       2. WebAssembly.compileStreaming()
       3. WebAssembly.instantiate()
       4. WebAssembly.instantiateStreaming()
       5. WebAssembly.validate()
    2. WebAssembly.Module
       1. WebAssembly.Module.customSections()
       2. WebAssembly.Module.exports()
       3. WebAssembly.Module.imports()
       4. WebAssembly.Module() constructor
    3. WebAssembly.Global
       1. WebAssembly.Global() constructor
    4. WebAssembly.Instance
       1. WebAssembly.Instance.prototype.exports
       2. WebAssembly.Instance() constructor
    5. WebAssembly.Memory
       1. WebAssembly.Memory.prototype.buffer
       2. WebAssembly.Memory.prototype.grow()
       3. WebAssembly.Memory() constructor
    6. 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() constructor
    7. WebAssembly.Tag
       1. WebAssembly.Tag.prototype.type()
       2. WebAssembly.Tag() constructor
    8. WebAssembly.Exception
       1. WebAssembly.Exception constructor
       2. WebAssembly.Exception.prototype.getArg()
       3. WebAssembly.Exception.prototype.is()
       4. WebAssembly.Exception.prototype.stack Non-standard
    9. WebAssembly.CompileError
       1. WebAssembly.CompileError() constructor
    10. WebAssembly.LinkError
        1. WebAssembly.LinkError() constructor
    11. WebAssembly.RuntimeError
        1. WebAssembly.RuntimeError() constructor
16. Instructions
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    2. Memory
       1. copy
       2. fill
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       6. store
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       1. Absolute
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       37. Truncate (float to int)
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    4. Variables
       1. Global
       2. Global get
       3. Global set
       4. Local
       5. Local get
       6. Local set
       7. Local tee

WebAssembly memory instructions.

Grow

Increase the size of the memory instance.

Size

Get the size of the memory instance.

Load

Load a number from memory.

Store

Store a number in memory.

Copy

Copy data from one region in memory to another

Fill

Set all values in a region to a specific byte

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This page was last modified on Jan 31, 2025 by MDN contributors.

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