When I tap on it, the box should shift its position

Question

When I tap on it, the box should shift its position

Here's a conundrum for you. I have a box that I want to move 200px to the left when clicked, but I'm struggling to make it work. Can someone please lend a hand and point out where I'm going wrong?

<style>
  .box {
    width: 200px;
    height: 200px;
    background-color: red;
  }
  .playing {
    transform: translate(200px);
  }
</style>
<title>Document</title>
</head>
<body>
<div class="box"></div>
<script>
const move = document.getElementsByClassName("box");
move.addEventListener("click", _move);

  function _move(e) {
    move.classList.add("playing");
  }

javascript css

Answer 1

Answer №1

document.getElementsByClassName()

method retrieves a HTMLCollection, containing multiple elements instead of just one, requiring you to add the event listener to each element individually.

const move = document.getElementsByClassName("box");

[...move].forEach(m => m.addEventListener("click", _move));

function _move() {
  this.classList.add("playing");
}

.box {
  width: 200px;
  height: 200px;
  background-color: red;
}

.playing {
  transform: translate(200px);
}

<div class="box"></div>

Answer 2

document.getElementsByClassName()

method retrieves a HTMLCollection, containing multiple elements instead of just one, requiring you to add the event listener to each element individually.

const move = document.getElementsByClassName("box");

[...move].forEach(m => m.addEventListener("click", _move));

function _move() {
  this.classList.add("playing");
}

.box {
  width: 200px;
  height: 200px;
  background-color: red;
}

.playing {
  transform: translate(200px);
}

<div class="box"></div>

Answer 3

Answer №2

When using getElementsByClassName, it returns an array so it is necessary to specify the index of the element you want to target.

var move = document.getElementsByClassName("box");
move[0].addEventListener("click", _move);

function _move(e) {
  move[0].classList.add("playing");
}

.box {
  width: 200px;
  height: 200px;
  background-color: red;
}

.playing {
  transform: translate(200px);
}

<div class="box"></div>

Answer 4

When using getElementsByClassName, it returns an array so it is necessary to specify the index of the element you want to target.

var move = document.getElementsByClassName("box");
move[0].addEventListener("click", _move);

function _move(e) {
  move[0].classList.add("playing");
}

.box {
  width: 200px;
  height: 200px;
  background-color: red;
}

.playing {
  transform: translate(200px);
}

<div class="box"></div>

Answer 5

Answer №3

The css attribute to shift it towards the left is incorrect. The correct way to do it is

.playing {
transform: translateX(200px);
}

Answer 6

The css attribute to shift it towards the left is incorrect. The correct way to do it is

.playing {
transform: translateX(200px);
}

Answer 7

Answer №4

Another alternative is to utilize document.querySelector instead of the traditional document.getElementsByClassName

const move = document.querySelector(".box");
move.addEventListener("click", _move);
function _move(e) {
  move.classList.add("playing");
}

  .box {
    width: 200px;
    height: 200px;
    background-color: red;
  }
  .playing {
    transform: translate(200px);
  }

<div class="box"></div>

Answer 8

Another alternative is to utilize document.querySelector instead of the traditional document.getElementsByClassName

const move = document.querySelector(".box");
move.addEventListener("click", _move);
function _move(e) {
  move.classList.add("playing");
}

  .box {
    width: 200px;
    height: 200px;
    background-color: red;
  }
  .playing {
    transform: translate(200px);
  }

<div class="box"></div>

Answer 9

Answer №5

While this question has already been resolved, I decided to experiment with continuously moving a box by clicking on it. Here is the code snippet that can be useful for achieving this:

<head>
  <style>
    .box {
      position: relative;
      width: 200px;
      height: 200px;
      background-color: red;
    }
  </style>
  <title>Document</title>
</head>
<body>
  <div class="box"></div>
  <script>
  let offset = 0;  
  const move = document.getElementsByClassName("box")[0];

  move.addEventListener("click", _move);

    function _move(e) {
      offset += 200;
      move.style.left = offset + 'px';

    }
  </script>
</body>

Answer 10

While this question has already been resolved, I decided to experiment with continuously moving a box by clicking on it. Here is the code snippet that can be useful for achieving this:

<head>
  <style>
    .box {
      position: relative;
      width: 200px;
      height: 200px;
      background-color: red;
    }
  </style>
  <title>Document</title>
</head>
<body>
  <div class="box"></div>
  <script>
  let offset = 0;  
  const move = document.getElementsByClassName("box")[0];

  move.addEventListener("click", _move);

    function _move(e) {
      offset += 200;
      move.style.left = offset + 'px';

    }
  </script>
</body>

Answer 11

Answer №6

$(document).ready(function(){
  $('#button-one').click(function(){
    $('#box-one').css("transform","translate(200px,0)");
  });
});

$(document).ready(function(){
  $('#button-two').click(function(){
    $('#box-two').css("transform","translate(250px,0)");
  });
});

$(document).ready(function(){
  $('#button-three').click(function(){
    $('#box-one, #box-two').css("transform","translate(0px,0)");
  });
});

#box-one,
#box-two
{
  width: 100px;
  height: 100px;
  background-color: blue;
}

#box-two
{
  transition: transform 0.6s ease;
}

#button-three
{
  position: relative;
  left: 100px;
}

body
{
  background-color: #E1E7E8;
}

<h2>Moving elements with jQuery</h2>
<div id="box-one"></div>
<button id="button-one">Move</button>
<hr/>
<h2>Smooth movement with jQuery</h2>
<div id="box-two"></div>
<button id="button-two">Move</button>
<br/>
<button id="button-three">reset</button>

Answer 12

$(document).ready(function(){
  $('#button-one').click(function(){
    $('#box-one').css("transform","translate(200px,0)");
  });
});

$(document).ready(function(){
  $('#button-two').click(function(){
    $('#box-two').css("transform","translate(250px,0)");
  });
});

$(document).ready(function(){
  $('#button-three').click(function(){
    $('#box-one, #box-two').css("transform","translate(0px,0)");
  });
});

#box-one,
#box-two
{
  width: 100px;
  height: 100px;
  background-color: blue;
}

#box-two
{
  transition: transform 0.6s ease;
}

#button-three
{
  position: relative;
  left: 100px;
}

body
{
  background-color: #E1E7E8;
}

<h2>Moving elements with jQuery</h2>
<div id="box-one"></div>
<button id="button-one">Move</button>
<hr/>
<h2>Smooth movement with jQuery</h2>
<div id="box-two"></div>
<button id="button-two">Move</button>
<br/>
<button id="button-three">reset</button>

When I tap on it, the box should shift its position

Answer №1

Answer №2

Answer №3

Answer №4

Answer №5

Answer №6

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