Javascript Reference - HTML DOM Image naturalHeight Property

The read-only naturalHeight property returns the original height of an image.

Browser Support


`naturalHeight`	Yes	Yes	Yes	Yes	Yes

Syntax

var v = imageObject.naturalHeight

Return Value

A Number type value representing the original height of an image in pixels.

Example

The difference between the naturalHeight property and the height property.


<!DOCTYPE html>
<html>
<body>
<img id="myImg" src="http://java2s.com/style/demo/border.png" style="width:100px;height:100px;">
<button onclick="myFunction()">test</button>
<p id="demo"></p>
<p id="demo2"></p>
<script>
function myFunction() {<!--  ww  w. j  a v a 2s . c  om-->
    var x = document.getElementById("myImg").naturalHeight;
    document.getElementById("demo").innerHTML = "The original height: " + x + " pixels";
    
    var y = document.getElementById("myImg").height;
    document.getElementById("demo2").innerHTML = "The 'styled' height: " + y + " pixels";
}
</script>

</body>
</html>

The code above is rendered as follows:

Example 2

The following code shows how to Return the original height of an image.


<!DOCTYPE html>
<html>
<body>
<img id="myImg" src="http://java2s.com/style/demo/border.png" style="width:100px;height:100px;">
<button onclick="myFunction()">test</button>
<p id="demo"></p>
<!--from  w ww .jav a2  s.c  om-->
<script>
function myFunction() {
    var x = document.getElementById("myImg").naturalHeight;
    document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>

The code above is rendered as follows: