WebAssembly.Table

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WebAssembly.Table() - JavaScript , WebAssembly. , JavaScript WebAssembly, JavaScript, WebAssembly.

: , .

`Table`

Table Table(), Table.

Table.prototype.constructor: . WebAssembly.Table().
Table.prototype.length: ( ).

Instance methods

Table.prototype.get(index): .
Table.prototype.grow(count): .
Table.prototype.set(index, value): .

( table2.html) WebAssembly Table 2 . ( Table.prototype.get() 2 null.

var tbl = new WebAssembly.Table({ initial: 2, element: "anyfunc" });
console.log(tbl.length); // "2"
console.log(tbl.get(0)); // "null"
console.log(tbl.get(1)); // "null"

var importObj = {
  js: {
    tbl: tbl,
  },
};

, wasm (table2.wasm) WebAssembly.instantiateStreaming(). table2.wasm , 42, - 83) 0 1 ( ). , wasm-, , WebAssembly JS.

WebAssembly.instantiateStreaming(fetch("table2.wasm"), importObject).then(
  function (obj) {
    console.log(tbl.length);
    console.log(tbl.get(0)());
    console.log(tbl.get(1)());
  },
);

(.. get(0)() get(0)) .

JavaScript, wasm.

Specification
WebAssembly JavaScript Interface # tables

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This page was last modified on 29 . 2026 . by MDN contributors.

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WebAssembly.Table

In this article

Table

Instance methods

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`Table`