Javascript DOM HTML Element clientTop Property

Introduction

The clientTop property returns the width of the top border of an element, in pixels.

Get the width of a <div> element's top and left border:

Click the button to get the width of the div's top and left border, in pixels.

View in separate window 

<!DOCTYPE html>
<html>
<head>
<style>
#myDIV {/*ww  w.ja  va2  s . c  o  m*/
  height: 250px;
  width: 400px;
  padding: 10px;
  margin: 15px;
  border-top: 15px solid black;
  border-left: 10px solid red;
  background-color: lightblue;
}
</style>
</head>
<body>
<button onclick="myFunction()">Test</button>

<div id="myDIV">
  <p id="demo"></p>
</div>

<script>
function myFunction() {
  var elmnt = document.getElementById("myDIV");
  var txt = "Border top width: " + elmnt.clientTop + "px<br>";
  txt += "Border left width: " + elmnt.clientLeft + "px";
  document.getElementById("demo").innerHTML = txt;
}
</script>

</body>
</html>

This property does not include the element's top padding or top margin.

You can use the style.borderTopWidth property to return the width of an element's top border.

To return the width of the left border of an element, use the clientLeft property.

This property is read-only.

The clientTop property returns a Number representing the width of an element's top border, in pixels.




PreviousNext

Related