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: Cannot be duplicated by cloning algorithms. DOM Nodes : Will trigger a DataCloneError if attempted.

On Stack Overflow, refers to a highly popular discussion regarding the most efficient way to deep clone an object in JavaScript . Top Recommended Solutions 122102

: Property descriptors (like readonly status) are usually lost in the clone. : Cannot be duplicated by cloning algorithms

: The modern, native Web API method now recommended for most deep cloning needs. 122102