JavaScript comparison and logical operators
Comparison operator
OperatorDescriptionExampleOperation Result
##== Equal to 2 == 3 FALSE === Constantly equal (both values and types are compared) (2 === 2 TRUE) (2 === "2" FALSE ) != Not equal to, can also be written as <> 2 == 3 TRUE > Greater than 2 > 3 FALSE < Less than 2 < 3 TRUE >= Greater than or equal to 2 >= 3 FALSE <= Less than or equal to 2 <= 3 TRUE Comparison operators can also be used for string comparisons.php中文网(php.cn)
##Logical operators
Operator
ExplanationExampleOperation result
#&& Logical AND (and) x = 2 ; y = 6; x && y > 5 FALSE || Logical OR (or) x = 2; y = 6; , take the opposite side of logic x = 2; y = 6; !(x > y) TRUEphp中文网(php.cn)
Conditional Operator
JavaScript also includes conditional operators that assign values to variables based on certain conditions.
Syntax
variablename=(condition)?value1:value2
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