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#1654 — 15.4.2.4: Multiple issues in Array.from

• bug_id: 1654
• creation_ts: 2013-07-31 02:51:00 -0700
• short_desc: 15.4.2.4: Multiple issues in Array.from
• delta_ts: 2013-08-23 08:22:06 -0700
• product: Draft for 6th Edition
• component: editorial issue
• version: Rev 16: July 15, 2013 Draft
• rep_platform: All
• op_sys: All
• bug_status: RESOLVED
• resolution: FIXED
• priority: Normal
• bug_severity: normal
• everconfirmed: true
• reporter: André Bargull
• assigned_to: Allen Wirfs-Brock

---

• commentid: 4628
• comment_count: 0
• who: André Bargull
• bug_when: 2013-07-31 02:51:24 -0700

There are multiple issues in 15.4.2.4 Array.from():

- 'mapping' is always true (bug 1582)
- 'kValue' instead of 'nextValue' resp. 'mappedValue' in 8.h (bug 1599)

- GetIterator() called on 'obj', but 'obj' is not defined, should be 'items' instead (step 8a)

- loop condition in step 8h is always true, break from loop is done through explicit return in 8.h.vi, so the loop condition can actually be removed

- extraneous "Pk" in step 8.h.xi

- extraneous "Pk" in step 17.d.v

---

• commentid: 4708
• comment_count: 1
• who: Allen Wirfs-Brock
• bug_when: 2013-08-01 18:39:55 -0700

fixed in rev17 editor's draft

except I don't see why you say the Pk's are extraneous

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• commentid: 4717
• comment_count: 2
• who: André Bargull
• bug_when: 2013-08-02 00:39:00 -0700

(In reply to comment #1)
> except I don't see why you say the Pk's are extraneous

Err, not sure what I was writing there. It's just a comma that's missing between "Pk" and the PropertyDescriptor argument to DefinePropertyOrThrow().

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• commentid: 5034
• comment_count: 3
• who: Allen Wirfs-Brock
• bug_when: 2013-08-23 08:22:06 -0700

fixed in rev17, August 23, 2013 draft