Prevents JavaScript errors by checking zxcvbn is defined before calling.
Changes `wp.passwordStrength.meter()` to return `-1` if the strength of the password is unknown.
On the user profile screen, `generatePassword()` checks if the user has entered the password before setting the value of the password input box.
Props peterwilsoncc, adamsilverstein.
Fixes#34905.
Built from https://develop.svn.wordpress.org/trunk@37940
git-svn-id: http://core.svn.wordpress.org/trunk@37881 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Unifies the APIs for getting a post's modified date or time with getting a post's date or time.
Adds the `$post` parameter to the functions `get_the_modified_date` and `get_the_modified_time`.
Adds the `$post` parameter to the filters `get_the_modified_date` and `get_the_modified_time`.
Props Soean, lukecavanagh.
Fixes#37059.
Built from https://develop.svn.wordpress.org/trunk@37738
git-svn-id: http://core.svn.wordpress.org/trunk@37703 1a063a9b-81f0-0310-95a4-ce76da25c4cd