Title: JS Error with Autoptimize enabled
Last modified: January 23, 2023

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# JS Error with Autoptimize enabled

 *  Resolved [bigbatsbutt](https://wordpress.org/support/users/djixas/)
 * (@djixas)
 * [3 years, 4 months ago](https://wordpress.org/support/topic/js-error-with-autoptimize-enabled/)
 * Hi, have only “optimize js” first checkbox, nothing else, I get this error in
   console, no errors before when using fastest cache, php 8, latest wp, MISC options
   are all checked
 * Uncaught SyntaxError: Invalid regular expression flags (at autoptimize_single_beed5475599e22e786eb90e03e04234f.
   js:110:124)
 * The line:
 * if(this.method===’GET’||this.method===’HEAD’){if(options.cache===’no-store’||
   options.cache===’no-cache’){var reParamSearch=/([?&])_=[^&]*/if(reParamSearch.
   test(this.url)){this.url=this.url.replace(reParamSearch,’$1_=’+new Date().getTime())}
   else{var reQueryString=/\?/this.url+=(reQueryString.test(this.url)?’&’:’?’)+’_
   =’+new Date().getTime()}}}}

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * (@optimizingmatters)
 * [3 years, 4 months ago](https://wordpress.org/support/topic/js-error-with-autoptimize-enabled/#post-16399207)
 * you’ll have to exclude the file that holds that code from being optimized djixas.
 * hope this helps,
    frank
 *  Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * (@optimizingmatters)
 * [3 years, 3 months ago](https://wordpress.org/support/topic/js-error-with-autoptimize-enabled/#post-16469917)
 * No feedback so I assume this got fixed djixas ? Feel free to follow up if you
   still encounter issues!
 * have a nice day!
    frank

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘JS Error with Autoptimize enabled’ is closed to new replies.

 * ![](https://ps.w.org/autoptimize/assets/icon-256X256.png?rev=2211608)
 * [Autoptimize](https://wordpress.org/plugins/autoptimize/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/autoptimize/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/autoptimize/)
 * [Active Topics](https://wordpress.org/support/plugin/autoptimize/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/autoptimize/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/autoptimize/reviews/)

 * 2 replies
 * 2 participants
 * Last reply from: [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * Last activity: [3 years, 3 months ago](https://wordpress.org/support/topic/js-error-with-autoptimize-enabled/#post-16469917)
 * Status: resolved