Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
HTML DOM offsetTop Property
The HTML DOM offsetTop property returns a number corresponding to the top position of the specified element relative to the top side of the parent element.
Following is the syntax −
Returning number value in pixels (px)
HTMLelement.offsetTop
Here, returned value corresponds to −
- The top position and margin of the specified element
- The top padding, scrollbar, border, and margin of the parent element
Let us see an example of HTML DOM offsetTop property −
Example
<!DOCTYPE html>
<html>
<head>
<title>HTML DOM offsetTop</title>
<style type="text/css">
#picForm {
width:70%;
margin: 0 auto;
text-align: center;
}
input[type="button"] {
border-radius: 10px;
}
#containerDiv {
margin: 0 auto;
}
</style>
</head>
<body>
<form id="picForm">
<fieldset>
<legend>HTML-DOM-offsetTop</legend>
<div id="containerDiv">
<img id="image" src="https://www.tutorialspoint.com/compiler_design/images/compiler-design-mini-logo.jpg">
</div>
<input type="button" onclick="getHeight()" value="Get offsetTop">
<div id="divDisplay"></div>
</fieldset>
</form>
<script>
var divDisplay = document.getElementById("divDisplay");
var picForm = document.getElementById("picForm");
var containerDiv = document.getElementById("containerDiv");
function getHeight() {
// window.getComputedStyle() gets the computed css
var style = window.getComputedStyle(picForm);
var style2 = window.getComputedStyle(document.body);
divDisplay.innerHTML = 'Top Offset of form: '+picForm.offsetTop+'px';
divDisplay.innerHTML += '<br>Top position of Child(form): '+style.Top;
divDisplay.innerHTML += '<br>Top margin of Child(form): '+style.marginTop;
divDisplay.innerHTML += '<br>Top padding of Parent(body): '+style2.paddingTop;
divDisplay.innerHTML += '<br>Top border of Parent(body): '+style2.borderTopWidth;
divDisplay.innerHTML += '<br>Top margin of Parent(body): '+style2.marginTop;
}
</script>
</body>
</html>Output
Before clicking any button −
After clicking ‘Get offsetTop’ button −
Updated on: 29-Oct-2019
192 Views
Advertisements