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Microsoft Ajax library adds a static method to a Boolean object to expand its functions:
Boolean. parse function
Converts the string representation of a logical value to itsBooleanEquivalent object. This function is static and can be called without creating an object instance.
UseParseA function can create a Boolean Value Based on the string representation. ValueThe parameter must be "true" or "false" (case-insensitive ). A string can contain spaces. If the string cannot be converted to a Boolean value, an exception is thrown.
/*Paramvalue: true or false string representation return: Boolean value corresponding to the value parameter (true or false)*/VaRBooleanvar = Boolean. parse ("true ");
ExampleCode:
VaRA =NewBoolean (True);If(A =True) {Alert ("A = true");}Else{Alert ("A = false");}VaRB = Boolean. parse ("true");If(B =True) {Alert ("B = true");}Else{Alert ("B = false");}