Title: TypeError: 'undefined' is not a function
Last modified: August 21, 2016

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# TypeError: 'undefined' is not a function

 *  [336creative](https://wordpress.org/support/users/336creative/)
 * (@336creative)
 * [12 years, 7 months ago](https://wordpress.org/support/topic/typeerror-undefined-is-not-a-function/)
 * I’m getting the following error on the plugin somewhat out of the blue:
 * “TypeError: ‘undefined’ is not a function (evaluating ‘$(“a[rel*=lightbox]”).
   colorbox’)”
 * Please help!
 * [http://wordpress.org/plugins/lightbox-plus/](http://wordpress.org/plugins/lightbox-plus/)

The topic ‘TypeError: 'undefined' is not a function’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/lightbox-plus_fafafa.svg)
 * [Lightbox Plus Colorbox](https://wordpress.org/plugins/lightbox-plus/)
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 * [Support Threads](https://wordpress.org/support/plugin/lightbox-plus/)
 * [Active Topics](https://wordpress.org/support/plugin/lightbox-plus/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/lightbox-plus/unresolved/)
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 * 0 replies
 * 1 participant
 * Last reply from: [336creative](https://wordpress.org/support/users/336creative/)
 * Last activity: [12 years, 7 months ago](https://wordpress.org/support/topic/typeerror-undefined-is-not-a-function/)
 * Status: not resolved