Check if the element exists first, then attach an event handler

alvarotrigo / pagePiling.js

pagePiling plugin by Alvaro Trigo. Create a scrolling pile of sections. http://alvarotrigo.com/pagePiling/

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Closed kourosh-neyestani closed 3 years ago

kourosh-neyestani commented 3 years ago

Check if the element exists first, then attach an event handler to prevent Uncaught TypeError: Cannot read property 'addEventListener' of undefined

alvarotrigo commented 3 years ago

Thanks for that!! 👍