2.1.53 [ECMA-262/9:2018] Section 22.1.3.27 Array.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] )

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V0206: Array.prototype.toLocaleString uses InvokeBuiltinMethod instead of Invoke

The specification states:

 22.1.3.27 Array.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] )
  
     An ECMAScript implementation that includes the ECMA-402 Internationalization API must 
     implement the Array.prototype.toLocaleString method as specified in the ECMA-402 
     specification. If an ECMAScript implementation does not include the ECMA-402 API the 
     following specification of the toLocaleString method is used.
     ...
     The following steps are taken:
         ...
         6.  Repeat, while k < len
             ...
             c. If nextElement is not undefined or null, then
                i.   Let S be ? ToString(? Invoke(nextElement, "toLocaleString")).

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Array.prototype.toLocaleString uses InvokeBuiltinMethod instead of Invoke:

        ...

        6.  Repeat, while k < len

            ...

            c. If nextElement is not undefined or null, then

               i.   Let S be ? ToString(? InvokeBuiltinMethod(nextElement, "toLocaleString")).