faisalfiraz21/CheckDigit.js

## CheckDigit.js
function createCheckDigit(membershipId) {
  let sumMembershipId = aggregator(membershipId);
  while (parseInt(sumMembershipId) > 9) sumMembershipId = aggregator(sumMembershipId);
  return sumMembershipId;
}

function aggregator(strMembershipId) {
  return strMembershipId.toString().split('').reduce((a, b) => parseInt(a) + parseInt(b), 0);
}

console.log(createCheckDigit("55555"));

## Closures.js
function registerHandlers() {
  var as = document.getElementsByTagName('a');
  for (i = as.length; i-- >= 0;) {
      as[i].onclick = (function(index) {
          return function() {
              alert(index);
              return false;
          }}(i));
  }
}

/* HTML code for testing purposes (do not submit uncommented):
<body>
  In my life, I used the following web search engines:<br/>
  <a href="//www.yahoo.com">Yahoo!</a><br/>
  <a href="//www.altavista.com">AltaVista</a><br/>
  <a href="//www.google.com">Google</a><br/>
</body>
*/

## Date.js
function AddLeadingZero(num) {
  return (num < 10 ? '0' : '') + num;
}

function formatDate(userDate) {
  var [month, day, year] = userDate.split('/');
  return year + AddLeadingZero(month) + AddLeadingZero(day);
}
console.log(formatDate("12/31/2014"));

## Ensure.js
const ensure = (value) => {

  if(typeof value === 'undefined' ){
    throw new Error();
  }
  else{
    return value;
  }

}

ensure();

## ImageGallery.js
function setup() {
  // Write your code here.
   var els = document.getElementsByClassName('remove');

for (var i = 0; i < els.length; i++) {
  els[i].addEventListener('click', function () {
    this.parentNode.remove();
  });
 }
}

// Example case.
document.body.innerHTML = `
<div class="image">
  <img src="https://goo.gl/kjzfbE" alt="First">
  <button class="remove">X</button>
</div>
<div class="image">
  <img src="https://goo.gl/d2JncW" alt="Second">
  <button class="remove">X</button>
</div>`;

setup();

document.getElementsByClassName("remove")[0].click();
console.log(document.body.innerHTML);

## loop.js
function appendChildren(decorateDivFunction) {
  var allDivs = document.getElementsByTagName("div");
  allDivs = [].slice.call(allDivs, 0);

  for (var i = 0; i < allDivs.length; i++) {
    var newDiv = document.createElement("div");
    decorateDivFunction(newDiv);
    allDivs[i].appendChild(newDiv);
  }
}

// Example case.
document.body.innerHTML = `
<div id="a">
  <div id="b">
  </div>
</div>`;

//appendChildren(function(div) {});
console.log(document.body.innerHTML);

## RemoveProperty.js
function removeProperty(obj, prop) {
if(prop in obj){
  delete obj[prop];
  return true;
}else{
  return false;
 }
}
	function createCheckDigit(membershipId) {
	let sumMembershipId = aggregator(membershipId);
	while (parseInt(sumMembershipId) > 9) sumMembershipId = aggregator(sumMembershipId);
	return sumMembershipId;
	}

	function aggregator(strMembershipId) {
	return strMembershipId.toString().split('').reduce((a, b) => parseInt(a) + parseInt(b), 0);
	}

	console.log(createCheckDigit("55555"));
	function registerHandlers() {
	var as = document.getElementsByTagName('a');
	for (i = as.length; i-- >= 0;) {
	as[i].onclick = (function(index) {
	return function() {
	alert(index);
	return false;
	}}(i));
	}
	}

	/* HTML code for testing purposes (do not submit uncommented):
	<body>
	In my life, I used the following web search engines:<br/>
	<a href="//www.yahoo.com">Yahoo!</a><br/>
	<a href="//www.altavista.com">AltaVista</a><br/>
	<a href="//www.google.com">Google</a><br/>
	</body>
	*/
	function AddLeadingZero(num) {
	return (num < 10 ? '0' : '') + num;
	}

	function formatDate(userDate) {
	var [month, day, year] = userDate.split('/');
	return year + AddLeadingZero(month) + AddLeadingZero(day);
	}
	console.log(formatDate("12/31/2014"));
	const ensure = (value) => {

	if(typeof value === 'undefined' ){
	throw new Error();
	}
	else{
	return value;
	}

	}

	ensure();
	function setup() {
	// Write your code here.
	var els = document.getElementsByClassName('remove');

	for (var i = 0; i < els.length; i++) {
	els[i].addEventListener('click', function () {
	this.parentNode.remove();
	});
	}
	}

	// Example case.
	document.body.innerHTML = `
	<div class="image">
	<img src="https://goo.gl/kjzfbE" alt="First">
	<button class="remove">X</button>
	</div>
	<div class="image">
	<img src="https://goo.gl/d2JncW" alt="Second">
	<button class="remove">X</button>
	</div>`;

	setup();

	document.getElementsByClassName("remove")[0].click();
	console.log(document.body.innerHTML);
	function appendChildren(decorateDivFunction) {
	var allDivs = document.getElementsByTagName("div");
	allDivs = [].slice.call(allDivs, 0);

	for (var i = 0; i < allDivs.length; i++) {
	var newDiv = document.createElement("div");
	decorateDivFunction(newDiv);
	allDivs[i].appendChild(newDiv);
	}
	}

	// Example case.
	document.body.innerHTML = `
	<div id="a">
	<div id="b">
	</div>
	</div>`;

	//appendChildren(function(div) {});
	console.log(document.body.innerHTML);
	function removeProperty(obj, prop) {
	if(prop in obj){
	delete obj[prop];
	return true;
	}else{
	return false;
	}
	}