Nodejs Utililty Methods Array Map

List of utility methods to do Array Map

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Description

The list of methods to do Array Map are organized into topic(s).

Method

map(projectionFunction)
Array.prototype.map = function(projectionFunction) {
  var results = [];
  this.forEach(function(itemInArray) {
    results.push(itemInArray+1);
  });
  console.log(results);
  return results;
};
map(projectionFunction)
Array.prototype.map = function (projectionFunction) {
  var results = [];
  this.forEach(function (itemInArray) {
    results.push(projectionFunction(itemInArray));
  });
  return results;
};
map(projectionFunction)
Array.prototype.map = function(projectionFunction) {
  var results = [];
  this.forEach(function(itemInArray) {
    results.push(projectionFunction(itemInArray));
  });
  return results;
};
map(projectionFunction)
Array.prototype.map = function(projectionFunction) {
  var results = [];
  this.forEach(function(itemInArray) {
    results.push(projectionFunction(itemInArray));
  });
  return results;
};
console.log(JSON.stringify([1,2,3].map(function(x) { return x + 1; })))
map(projectionFunction)
Array.prototype.map = function(projectionFunction) {
  var results = [];
  this.forEach(function(itemInArray) {
    results.push(projectionFunction(itemInArray));
  });
  return results;
};
map(projectionFunction)
Array.prototype.map = function(projectionFunction) {
  var results = [];
  this.forEach(function(itemInArray) {
    results.push(projectionFunction(itemInArray));
  });
  return results;
};
 var answer = JSON.stringify([1,2,3].map(function(x) { return x + 1; })) === '[2,3,4]';
 console.log(answer);
...
map(projectionFunction)
Array.prototype.map = function(projectionFunction) {
  var results = [];
  this.forEach(itemInArray => results.push(projectionFunction(itemInArray)) );
  return results;
};
map(projectionFunction)
Array.prototype.map = function (projectionFunction) {
  var results = [];
  this.forEach(function (itemInArray) {
    results.push(projectionFunction(itemInArray));
  });
  return results;
};
map(projectionFunction)
Array.prototype.map = function(projectionFunction) {
  var results = [];
  this.forEach(function(itemInArray) {
  });
  return results;
};
JSON.stringify(
  [1,2,3].map(function(x) {
    return x + 1;
...
map(testFunction)
Array.prototype.map = function(testFunction){
  var result = [];
  this.forEach(function(item){
    result.push(testFunction(item));
  })
  return result;