An interview question, the question about the object, has not been solved.

    var foo = { n: 1 };
    var bar = foo;
    foo.x = foo = { n: 2 };
    console.log(foo.x)//undefined
The value of

foo.x is undefined,. Please explain

.
Feb.27,2021

the Nikkei question has been asked by SF many times.

javascript connection assignment

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-64f5-1b31e87-2bdc5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b31e87-2bdc5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?