Here you can find the source of findRanges()
/*//from w ww. j a va 2 s . com Array.findRanges Turns this: ["a","a","a","b","b","c","c","c","c","c","a","a","c"] into this: { "a":[ { "from":0, "to":2 }, { "from":10, "to":11 } ], "b":[ { "from":3, "to":4 } ], "c":[ { "from":5, "to":9 }, { "from":12, "to":12 } ] } */ 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 { var last = buckets[this[i]][ buckets[this[i]].length-1 ]; if(i == last.to + 1) { last.to = i; } else { buckets[this[i]].push({ from: i, to: i }) } } } return buckets; }; Array.prototype.clean = function(deleteValue) { for (var i = 0; i < this.length; i++) { if (this[i] == deleteValue) { this.splice(i, 1); i--; } } return this; }; Object.values = function(obj){ return Object.keys(obj).map(function(key){return obj[key]}) };
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); ...
Array.prototype.findIdx = function(fn) { return this.indexOf(this.filter(val => fn(val))[0]); };
Array.prototype.findIfNotError = function(filter) { var result = this.find(filter); if ( !result ) { throw new Error(); return result;
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; }; ...
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]; return arrayValue; ...
Array.prototype.findThing = function(n){ for(var i=0; i<this.length; i++){ if(this[i] === n){ return true; }; }; return false; };
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; }; ...
Array.prototype.find_by = function(prop, val) { return this.filter(function(obj) { return obj[prop] === val }).first()