toggle show/hide div with button?

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


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();">

Since toggling using style like:

myElement.style.display = someBoolState ? "block" : "none"

is a really bad idea, here are some examples in JS, jQuery, HTML, CSS:

JavaScript .classList.toggle()

const elToggle  = document.querySelector("#toggle");
const elContent = document.querySelector("#content");

elToggle.addEventListener("click", function() {
  elContent.classList.toggle("is-hidden");
});
.is-hidden {
  display: none;
}
<button id="toggle">TOGGLE</button>
<div id="content" class="is-hidden">Some content...</div>

The beauty of the above is that the styling is purely handled where it should, and that's in your stylesheet. Also, by removing the .is-hidden class your element will regain its original display mode, being it block, table, flex, or whatever.

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:

const elToggle  = document.querySelector("#toggle");
const elContent = document.querySelector("#content");

elToggle.addEventListener("click", () => {
  elContent.classList.toggle("is-hidden");
});
#content {
  display: inline-flex; /* or whatever */
  transition: 0.6s;
}

.is-hidden {
  position: relative;
  visibility: hidden;
  opacity: 0;
  transform: scale(0);
}
<button id="toggle">TOGGLE</button>
<div id="content" class="is-hidden">Some Togglable content...</div>

Look at jQuery Toggle

HTML:

<div id='content'>Hello World</div>
<input type='button' id='hideshow' value='hide/show'>

jQuery:

jQuery(document).ready(function(){
    jQuery('#hideshow').live('click', function(event) {        
         jQuery('#content').toggle('show');
    });
});

For versions of jQuery 1.7 and newer use

jQuery(document).ready(function(){
    jQuery('#hideshow').on('click', function(event) {        
        jQuery('#content').toggle('show');
    });
});

For reference, kindly check this demo

Tags:

Javascript

Css

Jquery

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