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each

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2023-12-01

Iterates over this sequence and executes a function for every element.

Signature

Sequence.each = function(fn) { /*...*/ }

Sequence.each = function each(fn) {
  var iterator = this.getIterator(),
  i = -1;

  while (iterator.moveNext()) {
if (fn(iterator.current(), ++i) === false) {
  return false;
}
  }

  return true;
}

Name	Type(s)	Description
fn	Function	The function to call on each element in the sequence. Return false from the function to end the iteration.
returns	boolean	`true` if the iteration evaluated the entire sequence, or `false` if iteration was ended early.

Examples

Lazy([1, 2, 3, 4]).each(fn) // calls fn 4 times

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