Title: Error JavaScript
Last modified: December 31, 2020

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# Error JavaScript

 *  [marcosvinicius1987](https://wordpress.org/support/users/marcosvinicius1987/)
 * (@marcosvinicius1987)
 * [5 years, 5 months ago](https://wordpress.org/support/topic/error-javascript-2/)
 * Uncaught TypeError: Cannot read property ‘length’ of null
    at fswp_variable_installment_calculation(
   variable-installment-calculation.js:8) at variable-installment-calculation.js:
   58 fswp_variable_installment_calculation @ variable-installment-calculation.js:
   8 (anonymous) @ variable-installment-calculation.js:58 setTimeout (async) (anonymous)
   @ variable-installment-calculation.js:57 dispatch @ jquery.js?ver=1.12.4-wp:3
   r.handle @ jquery.js?ver=1.12.4-wp:3 ListPicker._handleWindowTouchEnd
 * [31-Dec-2020 00:06:51 UTC] PHP Deprecated: WC_Product::get_price_including_tax
   está **obsoleto** desde a versão 3.0! Use wc_get_price_including_tax em seu lugar.
   in /public_html/wp-includes/functions.php on line 4777
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ferror-javascript-2%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

The topic ‘Error JavaScript’ is closed to new replies.

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 * Last reply from: [marcosvinicius1987](https://wordpress.org/support/users/marcosvinicius1987/)
 * Last activity: [5 years, 5 months ago](https://wordpress.org/support/topic/error-javascript-2/)
 * Status: not resolved