Node Underground
Mar 27, 2020 · Frontend Development
How JavaScript Accesses Properties on Primitives: An ECMAScript Spec Walkthrough
This article explores how JavaScript’s ECMAScript specification defines property access on primitive values, detailing the runtime semantics of member expressions, abstract operations like GetValue and ToObject, internal slots, records, and the behavior of methods such as String.prototype.substring when invoked with various receivers.
ECMAScriptSpecificationprimitives
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