[wp-trac] [WordPress Trac] #29476: Hide the 'Title' field on the 'Insert from URL' tab until it's needed

[WordPress Trac]

#29476: Hide the 'Title' field on the 'Insert from URL' tab until it's needed
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 Reporter:  johnbillion  |       Owner:  helen
     Type:  enhancement  |      Status:  reopened
 Priority:  high         |   Milestone:  4.2
Component:  Media        |     Version:  3.5
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |     Focuses:
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Comment (by afercia):

 Noticed one small thing:
 - paste an embeddable URL
 - then empty the field
 - at this point `url` is an empty string
 - the AJAX call fires
 - the "Link Text" field appears

 You will also see an error in your console:
 {{{
 <b>Notice</b>:  Undefined variable: url in <b>.../ajax-actions.php</b> on
 line <b>2749
 }}}

 that's because
 {{{
 if ( url && url.length < 6 ) {
   ...
 }}}
 should also check when `url` is falsey.

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Ticket URL: <https://core.trac.wordpress.org/ticket/29476#comment:15>
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