I want to create a sticky button that remains fixed on the page regardless of its content and styles. The button should always be displayed on top of other elements, without relying on specific z-index values or pre-existing structures. This solution must utilize only Javascript (no jQuery), CSS3, and HTML5.
The solution should be dynamic and adaptive, able to adjust to different page layouts without direct z-index dependencies.
Example: http://jsfiddle.net/lotusgodkk/sf1fukm5/
Cascading Style Sheets:
.a {
position:fixed;
right:10px; //optional
top:10px; //optional
z-index:1;
background:grey; //optional
color:#000; //optional
padding:20px; //optional
}
HyperText Markup Language:
<div>--Content--</div>
<div class="a">Fixed</div> //Fixed div
<div>--Content--</div>....
To dynamically set z-index using jQuery:
var highest = -999;
$("*").each(function () {
var current = parseInt($(this).css("z-index"), 10);
if (current && highest < current) highest = current;
});
$('your-element-selector').css('z-index',highest);
Using javascript: How can you figure out the highest z-index in your document?
Reference: How to find the highest z-index within a document no matter what tags they are?
Here is the CSS code:
.custom-button {
width: 150px;
background-color: #EFEFEF;
border-style: solid;
border-width: 2px;
border-radius: 5px;
padding: 8px;
margin-left: 10px;
position: fixed;
z-index: 999;
top: 80px;
}
And here is the HTML code:
<button class="custom-button"> Click Me </button>
Feel free to customize the button's positioning according to your needs.
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