Javascript Array filter(callback, context)

Description

Javascript Array filter(callback, context)


Array.prototype.filter = function(callback, context) {
  let filtered = [];
  this.forEach((item, index) => {/*from   w w  w. j a  v a2s. co m*/
    if (callback.call(context, item, index, this))
      filtered.push(item);
  });
  return filtered;
};



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