Re: [heycam/webidl] Link to ES for "array index" (#427)

TimothyGu commented on this pull request.



>  
-    The name of each property that appears to exist due to an object supporting indexed properties
-    is an <dfn id="dfn-array-index-property-name" export>array index property name</dfn>,
-    which is a property name |P| for which the following algorithm returns true:
+    To determine if a property name |P| <dfn lt="is an array index|is not an array index"
+    oldids="dfn-array-index-property-name">is an [=array index=]</dfn>, the following algorithm is
+    applied:
+
+    1.  If [=Type=](|P|) is not String, then return <emu-val>false</emu-val>.
+    1.  Let |index| be [=!=] <a abstract-op>CanonicalNumericIndexString</a>(|P|).
+    1.  If |index| is <emu-val>undefined</emu-val>, then return <emu-val>false</emu-val>.
+    1.  If |index| is less than 0 or is greater than or equal to 2<sup>32</sup> − 1, then return

Sure.

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