Answers for "Cannot read properties of undefined (reading 'toString')"

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Cannot read properties of undefined (reading 'toString')

//To make sure that .toString() or .toUpperCase() doesn't throw an error,
//you could:

string = "" + string; // amends the value to an string, even if its undefined or null etc
//instead of:
string = string.toString();
Posted by: Guest on October-22-2021

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