Source code

Revision control

Copy as Markdown

Other Tools

// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
// - src/dstr-binding/default/var-stmt.template
/*---
description: Rest element containing an object binding pattern (`var` statement)
esid: sec-variable-statement-runtime-semantics-evaluation
features: [destructuring-binding]
flags: [generated]
info: |
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for
BindingPattern passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
---*/
let length = "outer";
var [...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9];
assert.sameValue(v, 7);
assert.sameValue(w, 8);
assert.sameValue(x, 9);
assert.sameValue(y, undefined);
assert.sameValue(z, 3);
assert.sameValue(length, "outer", "the length prop is not set as a binding name");
reportCompare(0, 0);