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change anyfunc instances to funcref #59

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change anyfunc instances to funcref #59

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10aaf4c
change anyfunc instances to funcref
chrisdavidmills Sep 4, 2026
130244d
Change other instances
chrisdavidmills Sep 4, 2026
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17 changes: 7 additions & 10 deletions js-api-examples/table.html
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Original file line number Diff line number Diff line change
@@ -1,29 +1,26 @@
<!doctype html>

<html>

<head>
<meta charset="utf-8">
<meta charset="utf-8" />
<title>WASM table example</title>
</head>

<body>
<script>
const table = new WebAssembly.Table({
element: "anyfunc",
element: "funcref",
initial: 1,
maximum: 10
maximum: 10,
});
table.grow(1);
console.log(table.length); // 2
console.log(table.length); // 2

WebAssembly.instantiateStreaming(fetch("table.wasm"))
.then(obj => {
WebAssembly.instantiateStreaming(fetch("table.wasm")).then((obj) => {
const tbl = obj.instance.exports.tbl;
console.log(tbl.get(0)()); // 13
console.log(tbl.get(1)()); // 42
console.log(tbl.get(0)()); // 13
console.log(tbl.get(1)()); // 42
});
</script>
</body>

</html>
21 changes: 10 additions & 11 deletions js-api-examples/table2.html
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Original file line number Diff line number Diff line change
@@ -1,33 +1,32 @@
<!doctype html>

<html>

<head>
<meta charset="utf-8">
<meta charset="utf-8" />
<title>Another WASM table example</title>
</head>

<body>
<script>
const tbl = new WebAssembly.Table({
initial: 2,
element: "anyfunc"
element: "funcref",
});
console.log(tbl.length); // 2
console.log(tbl.get(0)); // null
console.log(tbl.get(1)); // null

const importObject = {
js: { tbl }
js: { tbl },
};

WebAssembly.instantiateStreaming(fetch("table2.wasm"), importObject)
.then(obj => {
console.log(tbl.length); // 2
console.log(tbl.get(0)()); // 42
console.log(tbl.get(1)()); // 83
});
WebAssembly.instantiateStreaming(fetch("table2.wasm"), importObject).then(
(obj) => {
console.log(tbl.length); // 2
console.log(tbl.get(0)()); // 42
console.log(tbl.get(1)()); // 83
},
);
</script>
</body>

</html>
15 changes: 6 additions & 9 deletions other-examples/table-set.html
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Original file line number Diff line number Diff line change
@@ -1,24 +1,22 @@
<!doctype html>

<html>

<head>
<meta charset="utf-8">
<meta charset="utf-8" />
<title>Table set() example</title>
</head>

<body>
<script>
const otherTable = new WebAssembly.Table({
element: "anyfunc",
initial: 2
element: "funcref",
initial: 2,
});

WebAssembly.instantiateStreaming(fetch("table.wasm"))
.then(obj => {
WebAssembly.instantiateStreaming(fetch("table.wasm")).then((obj) => {
const { tbl } = obj.instance.exports;
console.log(tbl.get(0)()); // 13
console.log(tbl.get(1)()); // 42
console.log(tbl.get(0)()); // 13
console.log(tbl.get(1)()); // 42

otherTable.set(0, tbl.get(0));
otherTable.set(1, tbl.get(1));
Expand All @@ -28,5 +26,4 @@
});
</script>
</body>

</html>
28 changes: 13 additions & 15 deletions understanding-text-format/shared-address-space.html
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Original file line number Diff line number Diff line change
@@ -1,28 +1,26 @@
<!doctype html>

<html>

<head>
<meta charset="utf-8">
<meta charset="utf-8" />
<title>Shared address space example</title>
</head>

<body>
<script>
const importObject = {
js: {
memory: new WebAssembly.Memory({ initial: 1 }),
table: new WebAssembly.Table({ initial: 1, element: "anyfunc" })
}
};
const importObject = {
js: {
memory: new WebAssembly.Memory({ initial: 1 }),
table: new WebAssembly.Table({ initial: 1, element: "funcref" }),
},
};

Promise.all([
WebAssembly.instantiateStreaming(fetch("shared0.wasm"), importObject),
WebAssembly.instantiateStreaming(fetch("shared1.wasm"), importObject)
]).then(results => {
console.log(results[1].instance.exports.doIt()); // prints 42
});
Promise.all([
WebAssembly.instantiateStreaming(fetch("shared0.wasm"), importObject),
WebAssembly.instantiateStreaming(fetch("shared1.wasm"), importObject),
]).then((results) => {
console.log(results[1].instance.exports.doIt()); // prints 42
});
</script>
</body>

</html>
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