WebAssembly.Table

Baseline

201710

WebAssembly.Table() JavaScript WebAssembly Table JavaScript WebAssembly JavaScript WebAssembly

WebAssembly.Table(): Table

Table.prototype.length

Table.prototype.get()
Table.prototype.grow(): Table
Table.prototype.set()

WebAssembly Table

(table2.html ) WebAssembly Table 2 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,
  },
};

[`WebAssembly.instantiateStreaming()`](/ja/docs/WebAssembly/Reference/JavaScript_interface/instantiateStreaming) wasm (table2.wasm) table2.wasm 2 (142183) 01 (text representation) 2JS WebAssembly

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

2 (get(0) get(0)())

JavaScript wasm


WebAssembly JavaScript Interface # tables

MDN

MDN 2026523

GitHub