Error Function Javascript
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Javascript Error Function Undefined
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Javascript Error Function Is Not Defined But It Is
tregagnon safjanowski Shiningtiti Mgjbot Ptak82 Maian Anonymous Dria throw In This Article SyntaxDescriptionExamplesThrow an objectAnother example of throwing an objectRethrow an exceptionSpecificationsBrowser compatibilitySee also The throw statement throws a user-defined exception. Execution of the current function will stop (the statements after throw won't be executed), and control will be passed to the first catch block in the call stack. If no catch block exists among caller functions, the
Anonymous Function Javascript Error
program will terminate. Syntax throw expression; expression The expression to throw. Description Use the throw statement to throw an exception. When you throw an exception, expression specifies the value of the exception. Each of the following throws an exception: throw "Error2"; // generates an exception with a string value throw 42; // generates an exception with the value 42 throw true; // generates an exception with the value true Also note that the throw statement is affected by automatic semicolon insertion (ASI) as no line terminator between the throw keyword and the expression is allowed. Examples Throw an object You can specify an object when you throw an exception. You can then reference the object's properties in the catch block. The following example creates an object of type UserException and uses it in a throw statement. function UserException(message) { this.message = message; this.name = "UserException"; } function getMonthName(mo) { mo = mo-1; // Adjust month number for array index (1=Jan, 12=Dec) var months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; if (months[mo] !== undefined) { return months[mo]; } else { throw new UserException("InvalidMonthNo"); } } try { // statements to try var myMonth = 15; //
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Javascript Runtime Error Function Is Undefined
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