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Truth Table

Truth tables of likeTrue and likeFalse are as follows:

Value Type Determined to be Example
true Boolean true true
false Boolean false false
Numbers greater than 0 Integer、Float true 1
Numbers less than or equal to 0 Integer、Float false 0
Converted to a string with a value oftrueConveafter lowercaserted to a string with a value of String true true
Converted to a string with a value of"yes"Conveafter lowercaserted to a string with a value of String true "Yes"
Converted to a string with a value of"ok"Conveafter lowercaserted to a string with a value of String true "OK"
Converted to a string with a value of"on"Conveafter lowercaserted to a string with a value of String true "ON"
Converted to a string with a value of"1"Conveafter lowercaserted to a string with a value of String true "1"
Converted to a string with a value of"o"Conveafter lowercaserted to a string with a value of String true "o"
Converted to a string with a value of"y"Conveafter lowercaserted to a string with a value of String true "y"
Converted to a string with a value offalseConveafter lowercaserted to a string with a value of String false false
Converted to a string with a value of"no"Conveafter lowercaserted to a string with a value of String false "No"
Converted to a string with a value of"ng"Conveafter lowercaserted to a string with a value of String false "NG"
Converted to a string with a value of"off"Conveafter lowercaserted to a string with a value of String false "OFF"
Converted to a string with a value of"0"Conveafter lowercaserted to a string with a value of String false "0"
Converted to a string with a value of"x"Conveafter lowercaserted to a string with a value of String false "x"
Converted to a string with a value of"n"Conveafter lowercaserted to a string with a value of String false "n"

Note: Only when the above scenarios are met will it be judged that the true and false conditions are met, and other scenarios do not match, that is, no alert will be generated.

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