Function isEqualWith

This method is like _.isEqual except that it accepts customizer which is invoked to compare values. If customizer returns undefined comparisons are handled by the method instead. The customizer is invoked with up to seven arguments: (objValue, othValue [, index|key, object, other, stack]).

Example

function isGreeting(value) {
  return /^h(?:i|ello)$/.test(value);
}

function customizer(objValue, othValue) {
  if (isGreeting(objValue) && isGreeting(othValue)) {
    return true;
  }
}

var array = ['hello', 'goodbye'];
var other = ['hi', 'goodbye'];

_.isEqualWith(array, other, customizer);
// => true
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