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// Copyright 2025 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original: language/features.js
(() => {
let v = 2 ** 2;
v **= 3;
})();
(() => {
async function* foo1() {
await 42;
yield 0;
}
async function foo2() {
for await (let a of b) {
bar1(x);
}
}
})();
(() => {
/./s;
/./su;
})();
(() => {
let v = /(?<month>\d{2})-(?<day>\d{2})/;
v.exec("11-11").groups.month;
})();
(() => {
let {
a,
...b
} = {
x: 1,
y: 2,
z: 3
};
let v = {
a,
...b
};
})();
(() => {
try {
throw 0;
} catch {
foo();
} finally {
bar();
}
})();
(() => {
"a
b";
})();
(() => {
let v1 = 6n;
let v2 = BigInt(1234546) + v1;
let v3 = 0b1000011n;
})();
(() => {
object.foo ?? "42";
})();
(() => {
const obj = {
foo: {
bar: 42
}
};
obj?.foo?.bar;
obj?.meh?.bar;
obj?.meh?.bar();
})();
(() => {
let v1 = 1_000_000_000_000;
let v2 = 0b1010_0001;
})();
(() => {
let v = false;
v ||= true;
})();
(() => {
class Foo {
#xValue = 0;
get #x() {
return this.#xValue;
}
set #x(value) {
this.#xValue = value;
}
#inc() {
this.#x++;
}
baz(obj) {
return #xValue in obj;
}
}
})();
(() => {
class Foo {
prop = "42";
fun = () => {
return this.prop;
};
static staticProp = "42";
static staticFun = function () {
return Foo2.staticProp;
};
}
})();
(() => {
class Foo {
static #a = 42;
static b;
static {
this.b = bar(this.#a);
}
}
})();
(() => {
/[\p{Decimal_Number}&&\p{ASCII}]/v;
})();
(() => {
let v = /(?<month>\d{2})-(?<year>\d{4})|(?<year>\d{4})-(?<month>\d{2})/;
v.exec("11-1111").groups.year;
})();
(() => {
/(?i:a)a/;
/(?m:^a)a/;
/(?s:.)./;
/(?im:^a)a/;
})();
(() => {
let v = do {
if (v) {
"1";
} else {
"2";
}
};
})();
(() => {
async function foo() {
using sync = openSync();
await using async = await openAsync();
}
})();
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