Thank you! This is a warning message that the arrow function is supported in Ecma Script 6 only. Here is the list of browsers and their versions that support arrow functions (information copied from here):
There is a low probability that a client will have an older browser version so you can ignore this warning or use function declaration to create a method.
Thank you! This is a warning message that the arrow function is supported in Ecma Script 6 only. Here is the list of browsers and their versions that support arrow functions (information copied from here):
There is a low probability that a client will have an older browser version so you can ignore this warning or use function declaration to create a method.