a-eid

isPrime = function(x){
  // if number is 1 , 0 or negative it is not a prime 
  if(x <= 1) return false; 
  if(x == 2) return true ;
  for( var i = x - 1 ; i > 1 ; i-- ){
    console.log(x + ' % ' + i + " " + x % i );
    if(x % i == 0) return false;
  }
  return true;
}

a-eid

var num = "7316717653133062491922511967442657474235534919493496983520312774506326239578318016984801869478851843858615607891129494954595017379583319528532088055111254069874715852386305071569329096329522744304355766896648950445244523161731856403098711121722383113622298934233803081353362766142828064444866452387493035890729629049156044077239071381051585930796086670172427121883998797908792274921901699720888093776657273330010533678812202354218097512545405947522435258490771167055601360483958644670632441572215539753697817977846174064955149290862569321978468622482839722413756570560574902614079729686524145351004748216637048440319989000889524345065854122758866688116427171479924442928230863465674813919123162824586178664583591245665294765456828489128831426076900422421902267105562632111110937054421750694165896040807198403850962455444362981230987879927244284909188845801561660979191338754992005240636899125607176060588611646710940507754100225698315520005593572972571636269561882670428252483600823257530420752963450";


var adja

a-eid

find_anagrams = function(arr , word){
  return arr.filter(function(item){
    for(var l in word){
      if(item.indexOf(word[l]) == -1) return false;
    }
    return true;
  })
}

a-eid

function sortByRanking(rankingArray){
	function compare(a,b) {
	  if (a.ranking < b.ranking)
	    return -1;
	  if (a.ranking > b.ranking)
	    return 1;
	  return 0;
	}

	return rankingArray.sort(compare)

a-eid

const createStore = (retucer) => {
	let state
	let listeners = []
	const getState = ()=> state
	const dispatch = (action)=>{
		state = reducer(state , action)
		listeners.forEach((listener) => listener() )
	}
	const subscribe = (listener)=>{

a-eid

let array = [1,2,3,4]

function reducer(state , action){
  switch(action.type){
    case "remove":
      return state.filter(function(elem , index){
        return index != action.id
      })
    case 'inc':

a-eid

const todos(state=[] , action){
	switch(action.type){
		case 'add_todo':
		case 'remove_todo':
		case 'toggle_todo':
			return todo(state , action)
		default : 
			return state
	}

a-eid

const combineReducers = (reducers)=>{
	return (state = {} , action)=>{
		Object.keys(reducers).reduce(function( nextState , key ){
			nextState[key] = reducers[key](state[key] , action);
			return nextState;
		} , {})
	}
} 

a-eid

function toBase(number , base){
  var s = ""
  do{
    // binary reads from right to left 
    s = String(number % base) + s
    number = Math.floor(number / base)
  }while (number > 0)
  return s
}

a-eid

def bubble_sort(a) 
  i = 0
  len = a.size - 1

  while len >= i
    j = 0 
  
    while len > j 
      if a[j] > a[j+1]