Context insensitive type checks - Node.js Data Type

Node.js examples for Data Type:Type Check

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Description

Context insensitive type checks

Demo Code


var toString = Object.prototype.toString;

exports.isObject = function (arg) {
  return '[object Object]' == toString.call(arg)
}

exports.isArray = function (arg) {
  return Array.isArray(arg) ||
    'object' == typeof arg && '[object Array]' == toString.call(arg)
}

exports.isDate = function (arg) {
  return 'object' == typeof arg && '[object Date]' == toString.call(arg)
}

exports.isRegExp = function (arg) {
  return 'object' == typeof arg && '[object RegExp]' == toString.call(arg)
}

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