Nodejs Utililty Methods Array First or Null

List of utility methods to do Array First or Null

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Description

The list of methods to do Array First or Null are organized into topic(s).

Method

firstOrNull()
Array.prototype.firstOrNull = function () {
  if (this.length > 0) {
    return this[0];
  return null;
firstOrNull(predicate)
Array.prototype.firstOrNull = function(predicate){
  var tmp = this.filter(
        (function(){
          var first = true;
          return function(item){
            if(!first) return false;
            if(predicate(item)){
              first = false;
              return true;
...