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lektyra per klasen e 6 nita 41


Category:Basketball teams in Albania Category:Sport in TiranaQ: Custom class in JS function results in call is ambiguous error I need to test the validity of an email (not checking it against a regex, just checking that the string meets basic validation rules). The function that does this is a wrapper for the class's method and return a boolean. function isValidEmailAddress(email) { return new Validator().isValid(email); } If I just use the class, like this: function isValidEmailAddress(email) { return new Validator().isValid(email); } I get no error. If I wrap the above in a function like this: function isValidEmailAddress(email) { return new Validator().isValid(email); } I get an error: call to undefined method. Anyone know why wrapping the class in a function makes the function ambiguous? A: If you are including the class, you must provide an object as the first parameter when you make the call. If you are not including the class, then you can use the new keyword. If you have access to the object constructor, you can just use new. function isValidEmailAddress(email) { return new Validator().isValid(email); } However, I'm not sure what you are actually trying to do. Is this a class that is only available in your local environment? If that is the case, just create the instance in the global space. Validator validator = new Validator(); function isValidEmailAddress(email) { return validator.isValid(email); } If this is a general class that you want to make available to other developers, you could either do what you were trying to do, or you could export it to a module. module.exports = { isValidEmailAddress: function (email) { return new Validator().isValid(email); } } Then you can import it. var isValidEmailAddress = require('validator').isValidEmailAddress; The Ministry of Defence has been ordered to compensate a soldier suffering from a disability caused by bomb exposure more









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