Why can I talk about what is the prototype of js in a popular way? What does the prototype do and what does it have? What is the prototype chain?

topic description

what is the prototype of js? What does the prototype do and what does it have? What is the prototype chain?

sources of topics and their own ideas

only knows that the function has the prototype attribute and the object has the _ proto_ attribute. Then, this knowledge point is blurred

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what result do you expect? What is the error message actually seen?

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Mar.19,2022

take a look at my summary of prototypes a few days ago: JS

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1ea718b-1e2b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1ea718b-1e2b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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