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maxtester's avatar
maxtester
Contributor
9 years ago

Datatype number with value one is the same as boolean true??

Hi all,   I Have a question regarding the datatypes. In my script I have a function that returns boolean true or a number. Like this:   //Returns a true or a number var Return = function1()   ...
maxtester's avatar
maxtester
Contributor

Thank you all for the help. Now I check before if return value is 1. Then I set the boolean as true. Not nice but it works

dganov's avatar
dganov
Staff
9 years ago

Also as I just tested the check

 

if (!Return) ...

works as expected (zero value is treated as false, all other values as true).

 

UPDATE: the reason is that in case (Return != true) JS-engine tries to compare two numbers (true is converted to 1), while in case (!Return) we tell JS-engine to convert value of Return to boolean type.