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td {
  height: 50px;
  width: 50px;
  border: 1px solid gray;
  text-align: center;
}

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function checkNumSeq(sum, chunks) {
	var
		i,
		hchunks,
		chunk,
		out = [];
		
	if ( sum % chunks === 0 && chunks % 2 ) {

		chunk = sum / chunks;

dmi3y

function invert(num)
  rev = 0
  
  while num >= 10
    
    rev = (rev + num % 10) * 10
    num = fld(num, 10)
  end
  return (rev + num)
end

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function factorial(n) {
  var
    out = 1;

  if ( n > 1 ) {

    out = n * factorial(n - 1);
  }

  return out;

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function setCountDown(n) {
  n = n || 5;
  for ( var i = 0; i <= n; i++ ) {
    (function() {
      var j = n - i;
      setTimeout(function() {
        console.log(j);
      }, 1000 * i);
    }());
  }

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Function.method('inherits', function (parent) {
    this.prototype = new parent();
    var d = {}, 
        p = this.prototype;
    this.prototype.constructor = parent; 
    this.method('uber', function uber(name) {
        if (!(name in d)) {
            d[name] = 0;
        }        
        var f, r, t = d[name], v = parent.prototype;

dmi3y

// http://jsbin.com/mapena/edit?js,console
// http://stackoverflow.com/questions/1885557/simplest-code-for-array-intersection-in-javascript
function findIntersctions(a, b) {
    var ai = 0;
    var bi = 0;
    var out = [];
  
    while( ai < a.length && bi < b.length ) {
      
        if( a[ai] > b[bi] ) {

dmi3y

    function calcFromStr(str) {
        var ops = ['*','/','+','-'];
        var reg = /(\b\D)/;
        var calc = str.split(reg);
      
        function calculator(l, op, r) {
          
          switch( op ) {
            case '*':
              return l*r;

dmi3y

function addClass(myElement, classToAdd) {
    if (!myElement && !classToAdd) return;
    
    var 
    myElementIsSting = typeof myElement == 'string',
    myElementNode = myElementIsSting? document.getElementById(myElement): myElement,
    classes = ' ' + (myElementNode.className || '') + ' ',
    classToAdd = ' ' + classToAdd + ' ';
    
    if (!~classes.indexOf(classToAdd)) { // http://stackoverflow.com/questions/12299665/what-does-a-tilde-do-when-it-precedes-an-expression

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// http://jsbin.com/ubugag/2/edit

var allDivs = document.getElementsByTagName("div"),
length = allDivs.length, divDomID,
    showCarHandler = function(){
      var divDomINT = parseInt(this.id.replace("car_", 0), 10); 
      console.log(divDomINT);
    };

for(;length--;){