selector doesn't exist yet

PHOTO

Thu Dec 23 2021 16:33:58 GMT+0000 (Coordinated Universal Time)

Saved by @mmerkley #html

// Normal Event 
$("#dataTable tbody tr").on("click", function() {
    console.log($(this).text());
});

// Delegate event to "#dataTable tbody" since "tr" elements don't exist yet
$("#dataTable tbody").on("click", "tr", function() {
    console.log($(this).text());
});

// Delegate event to "document" since "#.bar.desktop" element does not exist yet
$(document).on("click", ".bar.desktop", function() {
    $(this).toggleClass('open');
});

Save snippets that work from anywhere online with our extensions

Available in the Chrome Web Store

Get Firefox Add-on

Get VS Code extension

Comments

More like this

MC JS

@mmerkley

Build an Array Dynamically selector doesn't exist yet compare UTC date does item exist in array map items in array example get user timezone offset Arrow Functions Destructure Object for use in function get query params

#html #javascript #nodejs

How to Save HTML Form Data in JSON - Express

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

> More steps

#html #javascript #jsfunctions #dom #dommanipulation

getAttribute() - how to get the value of any attribute of HTML element

<html>

<input id="contact" name="address">

<script>

    var x = document.getElementById("contact").getAttribute('name');

</script>

</html>

#html #jquery #css #navbar

Underline active navbar link

// in css:
/* Display line under clicked navbar link */
.active {
  text-decoration-line: underline !important;
  text-decoration-thickness: 2px !important;
  color: rgb(20, 19, 19);
}

//in html: 
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>

    <script>
      $(document).ready(function () {
        // Underline to remain in navbar after click using URL
        jQuery(function ($) {
          var path = window.location.href; // because the 'href' property of the DOM element is the absolute path
          $('.nav-link').each(function () {
            if (this.href === path) {
              $(this).addClass('active');
            }
          });
        });
      });
    </script>

//Note class in link should be nav-link

C:/Users/intel/Desktop/dig%20fest/Mohd%20Midhlaj%20A%20A%206E%20Website%20Building/index.html

Bootstrap Starter Template

<!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>

Background Image That Doesn't Scroll on Webpage

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

How to Create a Table in HTML

<table>
  <tr>
    <th>Name</th>
    <th>Phone</th>
    <th>Age</th>
  </tr>
  <tr>
    <td>Khan</td>
    <td>12345</td>
    <td>23</td>
  </tr>
  <tr>
    <td>Jamal</td>
    <td>54321</td>
    <td>45</td>
  </tr>
</table>

#html #javascript

Stop YouTube Embedded Video from Playing with Javascript

<main>
	<iframe src="https://www.youtube.com/embed/KQetemT1sWc"></iframe>   
    <a href="#!" onclick="stopThis()">Stop Playing</a>
</main>

<script>
  function stopThis(){
      var iframe = container.getElementsByTagName("iframe")[0];
      var url = iframe.getAttribute('src');
      iframe.setAttribute('src', '');
      iframe.setAttribute('src', url);
  }
</script>

HTML : Responsive Navbar

<!DOCTYPE html>
<!-- Created By TopArchives - www.toparchives.us -->
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title>Responsive Navbar | TopArchives</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="style.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css"/>
  </head>
  <body>
    <nav>
      <input type="checkbox" id="check">
      <label for="check" class="checkbtn">
        <i class="fas fa-bars"></i>
      </label>
      <label class="logo">TopArchives</label>
      <ul>
        <li><a class="active" href="#">Home</a></li>
        <li><a href="#">About</a></li>
        <li><a href="#">Services</a></li>
        <li><a href="#">Contact</a></li>
        <li><a href="#">Feedback</a></li>
      </ul>
    </nav>
    <section></section>
  </body>
</html>
<!-- DON'T REMOVE CREDITS -->

Bootstrap Fixed Floating Buttons

<div class="fixed-action-btn" style="bottom: 45px; right: 24px;">
  <a class="btn-floating btn-lg red">
    <i class="fas fa-pencil-alt"></i>
  </a>

  <ul class="list-unstyled">
    <li><a class="btn-floating red"><i class="fas fa-star"></i></a></li>
    <li><a class="btn-floating yellow darken-1"><i class="fas fa-user"></i></a></li>
    <li><a class="btn-floating green"><i class="fas fa-envelope"></i></a></li>
    <li><a class="btn-floating blue"><i class="fas fa-shopping-cart"></i></a></li>
  </ul>
</div>

#javascript #eventos #mouse #css #html

mover un elemento junto al mouse, dentro de un div (eventos de mouse)

let hijo = document.querySelector('.hijo');
let etiqueta = document.querySelectorAll('.etiqueta');
//El metodo .getBoundingClientRect() nos da 
//la posicion de un elemento con respecto al viewport(en numeros).
// tomare la posicion constante del elemento .hijo 
const coords = hijo.getBoundingClientRect();
const j = coords.top; // estamos obteniendo la posicion top en numero
const k = coords.left;

// se aplica forEach para obtener posicion de cada movimiento del mouse
etiqueta.forEach(link => {
// se obtiene la posicion del mouse con la funcion  mover(e)
    function mover(e){
// se calcula la posicion top y left del mouse al cual le restamos
// la posicion del elemento "hijo"; resultado: mouse e "hijo" juntos 
	 let m = e.pageY ;
	 let n = e.pageX ;

	 let t = m - j;
	 let l = n - k;
	 hijo.style.top = t + "px"; // agregando px a los numeros
	 hijo.style.left = l + "px";
    };
// mouseover dice que entro en elemento etiqueta
    link.addEventListener("mouseover",() => {
	hijo.classList.add("edd1");// solo agrega un class que le da color red

	 window.addEventListener("mousemove",mover);// agrega el evento junto a la funcion 
    });

    link.addEventListener("mouseleave",() => {// mouseleave dice que salio del elemento etiqueta
	hijo.classList.remove("edd1"); // le quita un class, que le quita color red
	 window.removeEventListener("mousemove", mover);// remuev el evento
    });
});

/* Simples estilos para delimitar los div*/
.box{
width: 300px;
height: 300px;
border: solid 1px black;
}
.etiqueta{
width:100px;
height:100px;
position: absolute;
left:50px;
top:50px;
background: green;
overflow: hidden;
position:relative;
}
.hijo{
position: absolute;
width: 20px;
height: 20px;
border-radius: 50%;
background-color: blue;
transform: scale(0); /*desaparece el elemento hijo*/
}
.edd1{
background-color: red;
transform: scale(1); /*reaparece el elemento hijo con el mause al centro*/
} 

// un ejemplo con html
<div class="box">
  <div class="etiqueta">
  <div class="hijo"></div>
  </div>
</div>

Component library css link

<link rel="stylesheet" href="https://grapheneui.netlify.app/Components/components.css" />

#html #alpinejs

Set boolean to true after scrolling on page using Alpine.js

<div
    class="justify-between py-6 md:flex"
    x-data="{
        open: false,
        hasScrolled: false,
        reactOnScroll() {
            if (this.$el.getBoundingClientRect().top < 120 && window.scrollY > 120) {
                this.hasScrolled = true;
            } else {
                this.hasScrolled = false;
            }
        } 
    }"
    x-init="reactOnScroll()"
    @scroll.window="reactOnScroll()"
>

#html #javascript #jsfunctions #dom #dommanipulation

How to change any attribute of a HTML element

<html>	
   
   <input id="contact" name="address">
 
 <script>

    document.getElementById("contact").attribute = "phone";
	
    //ALTERNATIVE METHOD TO CHANGE
    document.getElementById("contact").setAttribute('name', 'phone');	

  </script>

</html>

#html #javascript

Display Date Objects in Shorter Format - MMM DD YYY HH:MM

<p id="date-stamp">Sat Dec 14 2019 16:58:20 GMT+0500 (Pakistan Standard Time)</p>

<script>
        var dateStamp = document.getElementById("date-stamp");
        var date = dateStamp.innerHTML;
        var date2 = date.substr(4, 17);
        dateStamp.innerHTML = date2;
    
</script>

Browse more snippets >>