Simple Calculator Neomorphism
Use eval in calculator
eval()is a dangerous function, which executes the code it’s passed with the privileges of the caller. If you run
eval()with a string that could be affected by a malicious party, you may end up running malicious code on the user’s machine with the permissions of your webpage / extension. More importantly, a third-party code can see the scope in which
eval()was invoked, which can lead to possible attacks in ways to which the similar
Functionis not susceptible.