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JavaScript

Redirect after MailPoet subscription

This snippet will redirect the visitor after three seconds to a specific thank you page. 

const submit = document.querySelector('.wysija-submit');
submit.addEventListener('click', () => {
    setTimeout(() => window.location.replace("YOUR_CUSTOM_URL"), 3000);
});

Receive data from external API (Chuck Norris jokes)

View Demo

Generate Chuck Norris jokes asynchronously from external API of Internet Chuck Norris Database.

https://api.icndb.com/jokes/random/

HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/skeleton/2.0.4/skeleton.css" />
  <link rel="icon" href="#">
  <title>Chuck Norris API</title>
  <style>
      .imgBx img{
          border-radius: 50%;
          display: block;
          margin: auto;
          max-width: 200px;
      }
      button{
          display: block;
          margin: 30px auto;
      }
      .text-center{
          text-align: center;
          margin-top: 20px;
      }
      form input{
          display: block;
          margin: auto;
      }
      form label{
          text-align: center;
      }
  </style>
</head>
<body>
    <div class="container">
        <div class="imgBx">
            <img src="norris.jpg" alt="Chuck Norris">
        </div>
        <div class="txtBx">
            <h1 class="text-center">Chuck Norris API</h1>
        </div>
        <form>
            <div>
                <label for="number">Number of jokes</label>
                <input type="number" id="number">
            </div>
        </form>
        <button id="button">Get Jokes</button>

        <ul class="jokes"></ul>
    </div>

  <script src="app.js"></script>
</body>
</html>

JavaScript

document.getElementById('button').addEventListener('click', getJokes);

function getJokes(e) {
    const number = document.querySelector('input[type="number"]').value;

    const xhr = new XMLHttpRequest();

    xhr.open('GET', `http://api.icndb.com/jokes/random/${number}`, true);

    xhr.onload = function(){
        if(this.status === 200){

            const response = JSON.parse(this.responseText);

            let output = '';

            if(response.type === 'success'){
                response.value.forEach(function(joke){
                    output += `
                        <li>${joke.joke}</li>
                    `;
                });

            } else{
                output += '<li>Something went wrong</li>';
            }

            document.querySelector('ul.jokes').innerHTML = output;
        }
    }
    xhr.send();

    e.preventDefault();
}

Receive data from JSON file with Ajax

View Demo
document.getElementById('button1').addEventListener('click', loadCustomer);
document.getElementById('button2').addEventListener('click', loadCustomers);

// Load Single Customer
// Create a function named LoadCustomer and passing the Event Object 
function loadCustomer(e){
    const xhr = new XMLHttpRequest();

    xhr.open('GET', 'customer.json', true);

    xhr.onreadystatechange = function(){

        if(this.readyState === 4 && this.status === 200){

            const customer = JSON.parse(this.responseText);

            const output = `
                <ul>
                    <li>ID: ${customer.id}</li>
                    <li>Name: ${customer.name}</li>
                    <li>Company: ${customer.company}</li>
                    <li>Phone: ${customer.phone}</li>
                </ul>
            `;

            document.getElementById('customer').innerHTML = output;
        }
    }

    xhr.send();

    e.preventDefault();
}

// Load Customers
function loadCustomers(e){
    const xhr = new XMLHttpRequest();

    xhr.open('GET', 'customers.json', true);

    xhr.onreadystatechange = function(){

        if(this.readyState === 4 && this.status === 200){

            const customers = JSON.parse(this.responseText);

            let output = '';

            // We can't just output the data, we need to loop through

            customers.forEach(function(customer)  {

                output += `
                <ul>
                    <li>ID: ${customer.id}</li>
                    <li>Name: ${customer.name}</li>
                    <li>Company: ${customer.company}</li>
                    <li>Phone: ${customer.phone}</li>
                </ul>
            `;  
            });

            document.getElementById('customers').innerHTML = output;
        }
    }

    xhr.send();

    e.preventDefault();
}

Simple Bar – Scroll Bar

DEMO

funtcions.php

// =========================================================================
// SIMPLE BAR 
// =========================================================================
function simple_bar() {  
    if(is_front_page()){
        wp_enqueue_style('simple_bar_css', 'https://unpkg.com/simplebar@latest/dist/simplebar.min.css');
        wp_enqueue_script('simple_bar_js', 'https://unpkg.com/simplebar@latest/dist/simplebar.js', array(), '4.1.0', true );
    }
}
add_action( 'wp_enqueue_scripts', 'simple_bar' );

HTML

<div class="demo1" data-simplebar>
      <h2>Scroll me!</h2>
      <p>Some more content</p>
      <p class="odd">Some content</p>
      <p>Some more content</p>
      <p class="odd">Some content</p>
      <p>Some more content</p>
      <p class="odd">Some content</p>
      <p>Some more content</p>
      <p class="odd">Scroll me!</p>
      <p>Some more content</p>
      <p class="odd">Some content</p>
      <p>Some more content</p>
      <p class="odd">Some content</p>
      <p>Some more content</p>
      <p class="odd">Some content</p>
      <p>Some more content</p>
      <p class="odd">Scroll me!</p>
      <p>Some more content</p>
      <p class="odd">Some content</p>
      <p>Some more content</p>
      <p class="odd">Some content</p>
      <p>Some more content</p>
      <p class="odd">Some content</p>
      <p>Some more content</p>
      <p class="odd">Some content</p>
      <p>Some more content</p>
      <p class="odd">Some content</p>
      <p>Some more content</p>
</div>

CSS

.demo1 {
  height: 376px;
  max-width: 100%;
}

Hide header when scrolling down, show it when scrolling up in Genesis

JavaScript

// =========================================================================
// SMART HEADER
// =========================================================================
add_action('wp_footer','header_sticky_script');
function header_sticky_script()
{
?>
	<script>	
		// Hide Header on Scroll Down but Show when Scroll Up
		var didScroll;
		var lastScrollTop = 0;
		var delta = 5;
		var navbarHeight = '';

		jQuery(window).load( function() {
			navbarHeight = jQuery('header.site-header').outerHeight();
			jQuery('body').css('paddingTop',navbarHeight);
		});

		jQuery(window).scroll(function(event){
			didScroll = true;
		});

		setInterval(function() {
			if (didScroll) {
				ghasScrolled();
				didScroll = false;
			}
		}, 250);

		function hasScrolled() 
		{
			var st = jQuery(this).scrollTop();
			
			// Make sure to scroll more than delta
			if(Math.abs(lastScrollTop - st) <= delta)
				return;
			
			// If scrolled down and are past the navbar
			// This is necessary so you never see what is "behind" the navbar.
			if (st > lastScrollTop && st > navbarHeight){
				// Scroll Down
				jQuery('header.site-header').css('top',-navbarHeight).removeClass('shadow');
			} else {
				// Scroll Up
				if(st + jQuery(window).height() < jQuery(document).height()) {
					jQuery('header.site-header').css('top',0).addClass('shadow');
				}
			}
			
			if (st < 15){
				jQuery('header.site-header').css('top',0).removeClass('shadow');
			}
			
			lastScrollTop = st;
		}
	</script>	
<?php
}

CSS

/* Smart Header */


header.site-header {
        position: fixed;
        top: 0;
        transition: top 0.3s ease-in-out;
        width: 100%;
        z-index: 9;
        left: 0;
        right: 0;
}


header.site-header.shadow {
        -webkit-box-shadow: 0 0 50px rgba(0,0,0,.15);
        box-shadow: 0 0 50px rgba(0,0,0,.15);
}

body.admin-bar header.site-header{
        top: 32px;
}

@media only screen and (max-width: 780px) 
{
        body.admin-bar header.site-header{
                top: 46px;
        }

}

Remove only the clicked list item from unordered list – parentNode

const toggleList = document.getElementById('toggleList');
const listDiv = document.querySelector('.list');
const descriptionInput = document.querySelector('input.description');
const descriptionP = document.querySelector('p.description');
const descriptionButton = document.querySelector('button.description');
const listUl = listDiv.querySelector('ul');
const addItemInput = document.querySelector('input.addItemInput');
const addItemButton = document.querySelector('button.addItemButton');

listUl.addEventListener('click', (event) => {
  if (event.target.tagName == 'BUTTON') {
    let li = event.target.parentNode;
    let ul = li.parentNode;
    ul.removeChild(li);
  }
});

toggleList.addEventListener('click', () => {
  if (listDiv.style.display == 'none') {
    toggleList.textContent = 'Hide list';
    listDiv.style.display = 'block';
  } else {
    toggleList.textContent = 'Show list';                        
    listDiv.style.display = 'none';
  }                         
});

descriptionButton.addEventListener('click', () => {
  descriptionP.innerHTML = descriptionInput.value + ':';
  descriptionInput.value = '';
});

addItemButton.addEventListener('click', () => {
  let ul = document.getElementsByTagName('ul')[0];
  let li = document.createElement('li');
  li.textContent = addItemInput.value;
  ul.appendChild(li);
  addItemInput.value = '';
});

Add class only to clicked element with JS

jQuery(document).on('click', function() {
    jQuery('.collapse').removeClass("show");
});

jQuery(".collapse").click(function(event) {
    // remove classes from all
    jQuery('.show').removeClass('show');
    // add class to the one we clicked
    jQuery('.collapse', this).addBack(this).addClass("show");
    event.stopPropagation();
});

Redirect Contact Form 7 to thank you page

</pre>
//Redirect Contact Form 7 to custom thank you page
add_action( 'wp_footer', 'redirect_cf7' );

function redirect_cf7() {

echo '<script type="text/javascript">
document.addEventListener( "wpcf7mailsent", function( event ) {
if ( "form_id" == event.detail.contactFormId ) {
location = "link";
}
}, false );
</script>';
}
<pre>