Mobile can't zoom in

PHOTO

Tue Oct 26 2021 12:05:34 GMT+0000 (Coordinated Universal Time)

Saved by @PIzmAR #html #css

<meta name="viewport" content="width=device-width, initial-scale=1.0, height=device-height, minimum-scale=1.0, maximum-scale=1.0">

<style>
  .slick-slider {
    -ms-touch-action: unset !important;
    touch-action: unset !important;
  }
</style>

If you can't zoom in on mobiel check meta viewport in HTML head or touch-action in CSS

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How to Save HTML Form Data in JSON - Express

<form action="/new" method="post">
 
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A Modern CSS Reset - Piccalilli

/* Box sizing rules */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove default margin */
body,
h1,
h2,
h3,
h4,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul[role='list'],
ol[role='list'] {
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/* Set core root defaults */
html:focus-within {
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/* Set core body defaults */
body {
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  text-rendering: optimizeSpeed;
  line-height: 1.5;
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/* A elements that don't have a class get default styles */
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/* Make images easier to work with */
img,
picture {
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  display: block;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
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}

/* Remove all animations, transitions and smooth scroll for people that prefer not to see them */
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  *::after {
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#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);
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//in html: 
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>

    <script>
      $(document).ready(function () {
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            }
          });
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//Note class in link should be nav-link

Firefox CSS backdrop-filter workaround

/* slightly transparent fallback */
.backdrop-blur {
  background-color: rgba(255, 255, 255, .9);
}

/* if backdrop support: very transparent and blurred */
@supports ((-webkit-backdrop-filter: blur(2em)) or (backdrop-filter: blur(2em))) {
  .backdrop-blur {
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Background Image That Doesn't Scroll on Webpage

body{
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Bootstrap Starter Template

<!doctype html>
<html lang="en">
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    <meta charset="utf-8">
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    <!-- 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">

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How to Create a Table in HTML

<table>
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Stop YouTube Embedded Video from Playing with Javascript

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</main>

<script>
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<html lang="en" dir="ltr">
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slick slider dots sliding

#banner .slick-dots {
	display: flex;
	position: absolute;
	left: 50%;
	bottom: 30px;
	transform: translateX(-50%);
}

#banner .slick-dots li button {
	font-size: 0;
	width: 16px;
	height: 16px;
	border: 1px solid #fff;
	background: transparent;
	border-radius: 50%;
	margin: 0 5px;
}

#banner .slick-dots li.slick-active button {
	width: 20px;
	height: 20px;
	background: var(--hover);
	border-color: var(--hover);
}

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>
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#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>

Header JavaScript

const header = document.querySelector('header');
let lastScroll = 0;
const scrollThreshold = 10; 

window.addEventListener('scroll', () => {
    const currentScroll = window.scrollY;

    if (currentScroll > lastScroll && currentScroll > scrollThreshold) {
        header.classList.add('small');
    } else if (currentScroll === 0) {
        header.classList.remove('small');
    }

    lastScroll = currentScroll;
});

const hamburger = document.querySelector(".hamburger");
const navmenu = document.querySelector(".nav-menu");

hamburger.addEventListener("click", () => {
    hamburger.classList.toggle("active");
    navmenu.classList.toggle("active");
});

document.querySelectorAll(".nav-link").forEach(n => n.addEventListener("click", () => {
    hamburger.classList.remove("active");
    navmenu.classList.remove("active");
}));

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