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toggle show/hide div with button?

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不要未来只要你来
不要未来只要你来 2020-11-22 14:19

Hopefully this is an easy question. I have a div that I want to toggle hidden/shown with a button
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8条回答
  • 无人共我
    2020-11-22 14:34

    This is how I hide and show content using a class. changing the class to nothing will change the display to block, changing the class to 'a' will show the display as none.

    <!DOCTYPE html>
<html>
<head>
<style>
body  {
  background-color:#777777;
  }
block1{
  display:block; background-color:black; color:white; padding:20px; margin:20px;
  }
block1.a{
  display:none; background-color:black; color:white; padding:20px; margin:20px;
  }
</style>
</head>
<body>
<button onclick="document.getElementById('ID').setAttribute('class', '');">Open</button>
<button onclick="document.getElementById('ID').setAttribute('class', 'a');">Close</button>
<block1 id="ID" class="a">
<p>Testing</p>
</block1>
</body>
</html>
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  • 走了就别回头了
    2020-11-22 14:38

    You could use the following:

    mydiv.style.display === 'block' = (mydiv.style.display === 'block' ? 'none' : 'block');

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  • 情深已故
    2020-11-22 14:39

    Pure JavaScript:

    var button = document.getElementById('button'); // Assumes element with id='button'

button.onclick = function() {
    var div = document.getElementById('newpost');
    if (div.style.display !== 'none') {
        div.style.display = 'none';
    }
    else {
        div.style.display = 'block';
    }
};

    SEE DEMO

    jQuery:

    $("#button").click(function() { 
    // assumes element with id='button'
    $("#newpost").toggle();
});

    SEE DEMO

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  • 孤城傲影
    2020-11-22 14:42

    Here's a plain Javascript way of doing toggle:

    <script>
  var toggle = function() {
  var mydiv = document.getElementById('newpost');
  if (mydiv.style.display === 'block' || mydiv.style.display === '')
    mydiv.style.display = 'none';
  else
    mydiv.style.display = 'block'
  }
</script>

<div id="newpost">asdf</div>
<input type="button" value="btn" onclick="toggle();">
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  • 有刺的猬
    2020-11-22 14:42

    Try with opacity

    div { transition: all 0.4s ease }
.hide { opacity: 0; }
    <input onclick="newpost.classList.toggle('hide')" type="button" value="toggle">

<div id="newpost">Hello</div>

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  • 迷失自我
    2020-11-22 14:43

    JavaScript - Toggle Element.styleMDN

    var toggle  = document.getElementById("toggle");
var content = document.getElementById("content");

toggle.addEventListener("click", function() {
  content.style.display = (content.dataset.toggled ^= 1) ? "block" : "none";
});
    #content{
  display:none;
}
    <button id="toggle">TOGGLE</button>
<div id="content">Some content...</div>

    About the ^ bitwise XOR as I/O toggler
    https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/dataset

    JavaScript - Toggle .classList.toggle()

    var toggle  = document.getElementById("toggle");
var content = document.getElementById("content");

toggle.addEventListener("click", function() {
  content.classList.toggle("show");
});
    #content{
  display:none;
}
#content.show{
  display:block; /* P.S: Use `!important` if missing `#content` (selector specificity). */
}
    <button id="toggle">TOGGLE</button>
<div id="content">Some content...</div>

    jQuery - Toggle

    .toggle()Docs; .fadeToggle()Docs; .slideToggle()Docs

    $("#toggle").on("click", function(){
  $("#content").toggle();                 // .fadeToggle() // .slideToggle()
});
    #content{
  display:none;
}
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button id="toggle">TOGGLE</button>
<div id="content">Some content...</div>

    jQuery - Toggle .toggleClass()Docs

    .toggle() toggles an element's display "block"/"none" values

    $("#toggle").on("click", function(){
  $("#content").toggleClass("show");
});
    #content{
  display:none;
}
#content.show{
  display:block; /* P.S: Use `!important` if missing `#content` (selector specificity). */
}
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button id="toggle">TOGGLE</button>
<div id="content">Some content...</div>

    HTML5 - Toggle using <summary> and <details>

    (unsupported on IE and Opera Mini)

    <details>
  <summary>TOGGLE</summary>
  <p>Some content...</p>
</details>

    HTML - Toggle using checkbox

    [id^=toggle],
[id^=toggle] + *{
  display:none;
}
[id^=toggle]:checked + *{
  display:block;
}
    <label for="toggle-1">TOGGLE</label>

<input id="toggle-1" type="checkbox">
<div>Some content...</div>

    HTML - Switch using radio

    [id^=switch],
[id^=switch] + *{
  display:none;
}
[id^=switch]:checked + *{
  display:block;
}
    <label for="switch-1">SHOW 1</label>
<label for="switch-2">SHOW 2</label>

<input id="switch-1" type="radio" name="tog">
<div>1 Merol Muspi...</div>

<input id="switch-2" type="radio" name="tog">
<div>2 Lorem Ipsum...</div>

    CSS - Switch using :target

    (just to make sure you have it in your arsenal)

    [id^=switch] + *{
  display:none;
}
[id^=switch]:target + *{
  display:block;
}
    <a href="#switch1">SHOW 1</a>
<a href="#switch2">SHOW 2</a>

<i id="switch1"></i>
<div>1 Merol Muspi ...</div>

<i id="switch2"></i>
<div>2 Lorem Ipsum...</div>

    Animating class transition

    If you pick one of JS / jQuery way to actually toggle a className, you can always add animated transitions to your element, here's a basic example:

    var toggle  = document.getElementById("toggle");
var content = document.getElementById("content");

toggle.addEventListener("click", function(){
  content.classList.toggle("appear");
}, false);
    #content{
  /* DON'T USE DISPLAY NONE/BLOCK! Instead: */
  background: #cf5;
  padding: 10px;
  position: absolute;
  visibility: hidden;
  opacity: 0;
          transition: 0.6s;
  -webkit-transition: 0.6s;
          transform: translateX(-100%);
  -webkit-transform: translateX(-100%);
}
#content.appear{
  visibility: visible;
  opacity: 1;
          transform: translateX(0);
  -webkit-transform: translateX(0);
}
    <button id="toggle">TOGGLE</button>
<div id="content">Some Togglable content...</div>

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