Title: Plugin crushes javascript on the site
Last modified: August 22, 2016

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# Plugin crushes javascript on the site

 *  Resolved [shalun](https://wordpress.org/support/users/shalun/)
 * (@shalun)
 * [11 years, 3 months ago](https://wordpress.org/support/topic/plugin-crushes-javascript-on-the-site/)
 * version 3.2.1 crushes javascript on the website
    previously i had 3.0.1 and everything
   was good see chrome or firefox console
 * [https://wordpress.org/plugins/multi-rating/](https://wordpress.org/plugins/multi-rating/)

Viewing 5 replies - 1 through 5 (of 5 total)

 *  Plugin Author [dpowney](https://wordpress.org/support/users/dpowney/)
 * (@dpowney)
 * [11 years, 3 months ago](https://wordpress.org/support/topic/plugin-crushes-javascript-on-the-site/#post-5876396)
 * Hi,
 * Can you please provide the output from the console and your website URL?
 * Thanks
    Daniel
 *  Thread Starter [shalun](https://wordpress.org/support/users/shalun/)
 * (@shalun)
 * [11 years, 3 months ago](https://wordpress.org/support/topic/plugin-crushes-javascript-on-the-site/#post-5876399)
 * Hi
 * Website [http://coolidea.ru](http://coolidea.ru) but I installed 3.0.1 back now
 * Chrome Console displayed standard message:
    Uncaught SyntaxError: Unexpected 
   end of input
 * Firebug says:
    SyntaxError: JSON.parse: unexpected end of data at line 1 column
   1 of the JSON data jquery.min.js:4:15731 Error: Permission denied to access property“
   toString”
 * I think smth wrong with ../plugins/multi-rating/assets/js/frontend.js or there
   is a conflict somewhere
 *  Plugin Author [dpowney](https://wordpress.org/support/users/dpowney/)
 * (@dpowney)
 * [11 years, 3 months ago](https://wordpress.org/support/topic/plugin-crushes-javascript-on-the-site/#post-5876411)
 * Looking at your page source the issue is simple. Your theme or another plugin
   is loading it’s own version of jQuery from Google which is causing this issue.
   
   ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js
 * See here for a good explanation of why this is bad: [https://pippinsplugins.com/why-loading-your-own-jquery-is-irresponsible/](https://pippinsplugins.com/why-loading-your-own-jquery-is-irresponsible/)
 *  Thread Starter [shalun](https://wordpress.org/support/users/shalun/)
 * (@shalun)
 * [11 years, 3 months ago](https://wordpress.org/support/topic/plugin-crushes-javascript-on-the-site/#post-5876415)
 * Thank you, Daniel
 * The link have helped.
 * PS. Please use minified .js files in the next version.
 *  Thread Starter [shalun](https://wordpress.org/support/users/shalun/)
 * (@shalun)
 * [11 years, 3 months ago](https://wordpress.org/support/topic/plugin-crushes-javascript-on-the-site/#post-5876424)
 * For other guys:
 * jquery.js must be accompanied with jquery-migrate.js
    so use: `wp_deregister_script('
   jquery-core' )`
 * instead of:
    `wp_deregister_script ('jquery' )`

Viewing 5 replies - 1 through 5 (of 5 total)

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 * 5 replies
 * 2 participants
 * Last reply from: [shalun](https://wordpress.org/support/users/shalun/)
 * Last activity: [11 years, 3 months ago](https://wordpress.org/support/topic/plugin-crushes-javascript-on-the-site/#post-5876424)
 * Status: resolved