Add Code to HTML by Manipulating the DOM
content_copy
dashboard

#html #javascript 

const randomElement = document.getElementById('someElement');
randomElement.innerHTML = '<p>changing the DOM</p>'
3

Bootstrap Starter Template
content_copy
dashboard

#html 

<!doctype html>
<html lang="en">
  <head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">

    <title>Hello, world!</title>
  </head>
  <body>
    <h1>Hello, world!</h1>

    <!-- Optional JavaScript -->
    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
  </body>
</html>
4

Background Image That Doesn't Scroll on Webpage
content_copy
dashboard

#css #html 

body{
    background-image: url("img_tree.gif");
    background-repeat: no-repeat;
    background-attachment: fixed;
}
-6

How to Save Input From HTML form to JSON File Using Body-Parser
content_copy
dashboard

#html #nodejs 

<form action="/new" method="post">

  <input name="title" type="text">
  <input name="description" type="text">
  <input name="steps[0][text]" type="text">
  <input name="steps[0][ingredients]" type="text">
  <input name="steps[1][text]" type="text">
  <input name="steps[1][ingredients]" type="text">
  <button type="submit">Submit Form</button>

</form>

How to Detect a HTML Element Has a Class
content_copy
dashboard

#html #javascript 

var newForm = document.getElementById('new-form');

if ( newForm.getAttribute('class') === 'make-blue' ) {
        //  Do something
    }
12

How to Save HTML Form Data in JSON - Express
content_copy
dashboard

#html #javascript #nodejs 

<form action="/new" method="post">
 
  <input name="title" type="text">
  <input name="description" type="text">
  <button type="submit">Submit Form</button>
 
</form>
> More steps
-99

Responsive Modal Image Gallery using HTML and CSS
content_copy
dashboard

#css #html #javascript 

<h2 style="text-align:center">Modal Image Gallery</h2>
<div class="row">
  <div class="column">
    <img src="placeholder.png" style="width:100%" onclick="openModal();currentSlide(1)" class="hover-shadow cursor">
  </div>
  <div class="column">
    <img src="placeholder.png" style="width:100%" onclick="openModal();currentSlide(2)" class="hover-shadow cursor">
  </div>
  <div class="column">
    <img src="placeholder.png" style="width:100%" onclick="openModal();currentSlide(3)" class="hover-shadow cursor">
  </div>
  <div class="column">
    <img src="placeholder.png" style="width:100%" onclick="openModal();currentSlide(4)" class="hover-shadow cursor">
  </div>
</div>
<div id="myModal" class="modal">
  <span class="close cursor" onclick="closeModal()">&times;</span>
  <div class="modal-content">
    <div class="mySlides">
      <div class="numbertext">1 / 4</div>
      <img src="placeholder.png" style="width:100%">
    </div>
    <div class="mySlides">
      <div class="numbertext">2 / 4</div>
      <img src="placeholder.png" style="width:100%">
    </div>
    <div class="mySlides">
      <div class="numbertext">3 / 4</div>
      <img src="placeholder.png" style="width:100%">
    </div>
    <div class="mySlides">
      <div class="numbertext">4 / 4</div>
      <img src="placeholder.png" style="width:100%">
    </div>
    <a class="prev" onclick="plusSlides(-1)">&#10094;</a>
    <a class="next" onclick="plusSlides(1)">&#10095;</a>
    <div class="caption-container">
      <p id="caption"></p>
    </div>
    <div class="column">
      <img class="demo cursor" src="placeholder.png" style="width:100%" onclick="currentSlide(1)" alt="Sample image 1">
    </div>
    <div class="column">
      <img class="demo cursor" src="placeholder.png" style="width:100%" onclick="currentSlide(2)" alt="Sample image 2">
    </div>
    <div class="column">
      <img class="demo cursor" src="placeholder.png" style="width:100%" onclick="currentSlide(3)" alt="Sample image 3">
    </div>
    <div class="column">
      <img class="demo cursor" src="placeholder.png" style="width:100%" onclick="currentSlide(4)" alt="Sample image 4">
    </div>
  </div>
</div>
> More steps

Open Mobile Sidebar on button click
content_copy
dashboard

#html #javascript 

<button id="open-sesame">Open</button>

                <script>
                    var openSesame = document.getElementById('open-sesame');
                    openSesame.addEventListener("click", function(){
                        $('.sidenav').sidenav('open');
                    });
                </script>
keyboard_arrow_up