ArielLeslie

function destroyer(arr) {
  var args = [];
  for (i = 1; i < arguments.length; i++){
    args.push(arguments[i]);
  }
  return arr.filter(function(x){
    if (args.indexOf(x) >= 0)
      return false;
    else
      return true;

ArielLeslie

function add() {
  var first = arguments[0];
  if (arguments.length == 1 && typeof first === "number"){
    return function(x){
      return add(first, x);
    };
  }else if (arguments.length == 2 && typeof first === "number" && typeof arguments[1] === "number"){
    return first + arguments[1];
  }else{
    return undefined;

ArielLeslie

function diff(arr1, arr2) {
//just add two two arrays together
 var newArr = arr1.concat(arr2);
 //then filter it
 return newArr.filter(function(val){
 // return true if the value is not in one of the arrays
   if (arr1.indexOf(val) < 0 || arr2.indexOf(val) < 0){
     return true;
   }else{
     return false;

ArielLeslie

function where(collection, source) {
  var arr = [];
  // What's in a name?
  src_keys = Object.keys(source);
  arr = collection.filter(function(i){
    for(j = 0; j < src_keys.length; j++){
      if(!i.hasOwnProperty(src_keys[j]) || i[src_keys[j]] !== source[src_keys[j]]){
        return false;
      }
    }

ArielLeslie

//Let's create an object with a two functions. One attached as a property and one not.
var Car = function() {
  this.gear = 1;
  function addStyle(styleMe){
    return 'The Current Gear Is: ' + styleMe;
  }
  this.getGear = function() {
    return addStyle(this.gear);
  };
};

ArielLeslie

function mutation(arr) {
  arr[0] = arr[0].toLowerCase();
  arr[1] = arr[1].toLowerCase();
  for (i = 0; i < arr[1].length; i++){
    if(arr[0].indexOf(arr[1].charAt(i)) < 0){
      return false;
    }
  }
  return true;
}

ArielLeslie

function pair(str) {
  var pairs = [['A', 'T'], ['C', 'G']];
  
  var myPairs = [];
  for (i = 0; i < str.length; i++){
    for(j = 0; j < pairs.length; j++){
      var index = pairs[j].indexOf(str[i]);
      if (index >= 0) {
         myPairs.push([pairs[j][index], pairs[j][3%(index+2)]]);      
      }

ArielLeslie

function convert(str) {
  var mapping = {
   '&' : '&',
   ':' : ':',
   '<' : '&lt;',
   '>' : '&gt;',
   '"' : '&quot;',
   "'" : '&apos;'
  };
  var words =str.split('');

ArielLeslie

<link href="http://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<style>
  .red-text {
    color: red;
  }

  h2 {
    font-family: Lobster, Monospace;
  }

ArielLeslie

/**     R T   &   F A V   T W I T T E R   B O T          **/
/**     =======================================          **/


/**     Written by Amit Agarwal @labnol on 31/07/2015    **/

/**     Tutorial link: http://www.labnol.org/?p=28967    **/