onCartChange( )


Adds an event handler that runs when the cart changes.

The event handler set by the onCartChange() function runs when the cart changes.

The onCartChange() event handler is triggered when:

  • The cart is modified by native UI elements such as the 'Add to Cart' button, increase (+) and decrease (-) item quantity buttons, remove line item button (x), etc.
  • The refreshCart() function is called.

Important: Actions performed by Velo functions other than the refreshCart() function do not trigger the onCartChange() event handler.

Method Declaration
Copy
Method Parameters
handlerfunctionRequired

handler(): void The name of the function or the function expression to run when the cart is changed.

Errors

This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.

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