As reported here http codex wordpress org index…

As reported here (https://codex.wordpress.org/index.php?title=Plugin_API/Action_Reference/customize_preview_init&diff=142015&oldid=prev) the example there is out of date. It is using deprecated jQuery methods.

This page has some examples that I think…

This page has some examples that I think are a little wrong. See the talk page (https://codex.wordpress.org/Talk:Plugin_API/Filter_Reference/post_limits) for more info. I’d like some feedback on what I said there before I make any changes.

Many of these pages are redundant I recommend…

Many of these pages are redundant. I recommend deleting them.