Title: DOM Purify errors started appearing
Last modified: September 1, 2026

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# DOM Purify errors started appearing

 *  [eragonsoftware](https://wordpress.org/support/users/eragonsoftware/)
 * (@eragonsoftware)
 * [1 week, 2 days ago](https://wordpress.org/support/topic/dom-purify-errors-started-appearing/)
 * After woocommerce has switched to the newest tip tip library, there are frequent
   errors in the browser console leading to wckalculator, specifically to it tryint
   to use the library ver. 7.
 * Uncaught ReferenceError: DOMPurify is not defined
   at HTMLSpanElement. (jquery.
   tipTip.min.js?ver=7.1:1:660)at jQuery.each (jquery.js?ver=3.7.1:383:19)at jQuery.
   each (jquery.js?ver=3.7.1:205:17)at t.fn.tipTip (jquery.tipTip.min.js?ver=7.1:
   1:596)at HTMLDocument. (wckalkulator.min.js?ver=1.6.1:1:5983)at mightThrow (jquery.
   js?ver=3.7.1:3489:29)at jquery.js?ver=3.7.1:3557:12I’ve spent a considerable 
   amount of time trying to debug this, the solution it seems it would be that wckalculator
   should use a newer version of the tip tip library, the one used by woocommerce?
   thanks

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 * Last reply from: [eragonsoftware](https://wordpress.org/support/users/eragonsoftware/)
 * Last activity: [1 week, 2 days ago](https://wordpress.org/support/topic/dom-purify-errors-started-appearing/)
 * Status: not resolved