Nodejs Array Find findMaximumfindIt()

Method Source Code

// Find maximum function that can take any array and produce the biggest value in that array.

var array = [47, 98, 0, -23, 4, 87.3, 0.0003, +9];


Array.prototype.findMaximum = function findIt() {
var arrayValue = 0;
for(var i = 0; i < array.length; i++) {
  if (array[i] > arrayValue) {
    arrayValue = array[i];//from  w  w w.  j a v  a2  s  .  c  om
  }
 }
  return arrayValue;
};

var maximum = array.findMaximum();
console.log(maximum);

Related

1. findFirst(test)

   Array.prototype.findFirst = function (test) {
       var i, item;
       for (i = 0; i < this.length; i++) {
     item = this[i];
     if (test(item)) {
         return item;
   };
   ...
   

2. findHighestNumber(inField)

   Array.prototype.findHighestNumber = function(inField)
     var tmp = [];
     for (var i = 0; i < this.length; i++) {
       tmp[i] = Number(this[i][inField]);
     if(this.length < 1)
       return 0;
     return Math.max.apply(Math, tmp);
   ...
   

3. findIdx(fn)

   Array.prototype.findIdx = function(fn) {
       return this.indexOf(this.filter(val => fn(val))[0]);
   };
   

4. findIfNotError(filter)

   Array.prototype.findIfNotError = function(filter) {
       var result = this.find(filter);
       if ( !result ) {
           throw new Error();
       return result;
   

5. findInJson(attr, value)

   Array.prototype.findInJson = function (attr, value){
     for(var i=0; i<this.length; i++){
       this[i][attr] = this[i][attr].toLowerCase();
       if(this[i][attr] == value){
         return true;
       };
     };
     return false;
   };
   ...
   

6. findRanges()

   Array.prototype.findRanges = function() {
     var buckets = {};
     for(var i = 0; i < this.length; i++) {
       if(!(this[i] in buckets)) {
         buckets[this[i]] = [{
           from: i,
           to: i
         }]
       } else {
   ...
   

7. findThing(n)

   Array.prototype.findThing = function(n){
     for(var i=0; i<this.length; i++){
       if(this[i] === n){
         return true;
       };
     };
     return false;
   };
   

8. findYoungestPersonfindYoungestPerson()

   Array.prototype.findYoungestPerson = function findYoungestPerson() {
           var youngest = this[0];
       for (var person = 1; person < this.length; person += 1) {
           if (this[person].age < youngest.age) {
               youngest = this[person];
       return youngest;
   };
   ...
   

9. find_by(prop, val)

   Array.prototype.find_by = function(prop, val) {
     return this.filter(function(obj) {
       return obj[prop] === val
     }).first()