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finite lookahead

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ByteFE
ByteFE
May 20, 2021 · Fundamentals

Understanding ECMAScript: Cover Grammars and Finite Lookahead

This article explains ECMAScript's cover grammars and finite lookahead mechanisms for resolving ambiguous syntax, focusing on arrow function parameter lists versus parenthesized expressions.

Arrow FunctionsECMAScriptJavaScript
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Understanding ECMAScript: Cover Grammars and Finite Lookahead