How to use the isNull function from validator

Find comprehensive JavaScript validator.isNull code examples handpicked from public code repositorys.

validations.js

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validations.isNull = function isNull(paramName, customMessage) {
  return checkParam(
    paramName,
    customMessage || message(paramName, 'should be null'),
    validator.isNull
  );
}

validations.isNumeric = function isNumeric(paramName, customMessage) {

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