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About the Spec Reading category
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0
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665
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May 3, 2019
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Should %WrapForValidIteratorPrototype% define a Symbol.toStringTag?
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6
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155
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September 6, 2026
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ES2026 feature summary missing in published spec?
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1
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146
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July 28, 2026
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[Self promo] Ask262 - MCP server for exploring Ecma262
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1
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99
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April 23, 2026
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There is a contradiction in the description of [[getPrototypeOf]] and its algorithm.
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3
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111
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March 24, 2026
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Number.isNaN and redundant check for Number type?
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8
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235
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September 25, 2025
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Lunar Month in Intl.DateTimeFormat()
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0
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64
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October 4, 2024
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Why do duplicate parameter names cause an arguments object to be unmapped?
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2
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152
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June 26, 2024
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About CreateMutable Binding in Global Environment Record
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2
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176
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May 19, 2024
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Do Built-in function objects contain internal slots of ECMAScript function objects?
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1
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206
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January 25, 2024
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What's the difference between LineTerminator and LineTerminatorSequence?
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2
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228
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January 16, 2024
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One does not simply extend Promise
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47
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2209
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December 26, 2023
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The Array.isArray shenanigans
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42
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1566
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November 17, 2023
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Does it make a difference if something is defined in "Properties of X instances" or not?
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3
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337
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May 14, 2023
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Is `RegExp(…)` really equivalent to `new RegExp(…)`?
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2
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433
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March 16, 2023
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JS Class fields potentially harmful
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61
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3577
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February 20, 2023
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What does "Left-Hand-Side Expressions" mean?
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2
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402
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December 1, 2022
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The tilda prefixed parameter in the Spec
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2
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369
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July 8, 2022
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Is bitwise shift's left operand's encoding well-defined?
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2
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468
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June 23, 2022
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What is spec's purpose to Return some kind of Completion Record in the algorithms?
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4
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493
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April 20, 2022
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How is it possible to have a _subset_ of the private fields of a class?
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2
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484
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February 20, 2022
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What is a Reference Record?
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2
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586
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December 5, 2021
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let and const hoisting
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2
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933
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November 17, 2021
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How are block-level variable statements "hoisted" to the outer scope?
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4
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668
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July 3, 2021
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Spec question: CompletionValue when evaluating clauses in a switch statement
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2
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662
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June 6, 2021
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execution context suspension and resumption
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29
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1839
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May 6, 2021
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What is the "Ultimate entry point"?
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5
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1111
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January 15, 2021
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RHS evaluation in assignment to unresolvable reference
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1
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851
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April 17, 2020
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Isn't the main spec generated by an emu file?
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3
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751
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March 30, 2020
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Execution order
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2
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854
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July 9, 2019
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