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How To Create Click Dropdown Using Javascript, Html, And Css

How To Create Click Dropdown Using Javascript, Html, And Css

What is a Dropdown?

A dropdown menu is a toggleable menu that allows the user to choose one value from a predefined list:

Steps On How To Create Click Dropdown Using Javascript, Html, And Css

Step 1 Add HTML:

<div class=”dropdown”>

<button onclick=”myFunction()” class=”dropbtn”>Dropdown</button>

<div id=”myDropdown” class=”dropdown-content”>

<a href=”#”>Link 1</a>

<a href=”#”>Link 2</a>

<a href=”#”>Link 3</a>

</div>

</div>

Step 2  Add CSS:

.dropbtn {

background-color: #4CAF50;

color: white;

padding: 16px;

font-size: 16px;

border: none;

cursor: pointer;

}

 

/* Dropdown button on hover & focus */

.dropbtn:hover, .dropbtn:focus {

background-color: #3e8e41;

}

/* The container <div> – needed to position the dropdown content */

.dropdown {

position: relative;

display: inline-block;

}

/* Dropdown Content (Hidden by Default) */

.dropdown-content {

display: none;

position: absolute;

background-color: #f9f9f9;

min-width: 160px;

box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);

}

 

/* Links inside the dropdown */

.dropdown-content a {

color: black;

padding: 12px 16px;

text-decoration: none;

display: block;

}

Step 3  Add JavaScript:

function myFunction() {

document.getElementById(“myDropdown”).classList.toggle(“show”);

}

 

// Close the dropdown menu if the user clicks outside of it

window.onclick = function(event) {

if (!event.target.matches(‘.dropbtn’)) {

 

var dropdowns = document.getElementsByClassName(“dropdown-content”);

var i;

for (i = 0; i < dropdowns.length; i++) {

var openDropdown = dropdowns[i];

if (openDropdown.classList.contains(‘show’)) {

openDropdown.classList.remove(‘show’);

}

}

}

}

 

 


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