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HTMLImageElement: Image() constructor - Web APIs | MDN
new Image()
new Image(width)
new Image(width, height)
width
Optional
The width of the image (i.e., the value for the width
attribute).
height
Optional
The height of the image (i.e., the value for the height
attribute).
The entire bitmap is loaded regardless of the sizes specified in the constructor. The
size specified in the constructor is reflected through the properties
HTMLImageElement.width
and HTMLImageElement.height
of the
resulting instance. The intrinsic width and height of the image in CSS pixels are
reflected through the properties HTMLImageElement.naturalWidth
and
HTMLImageElement.naturalHeight
. If no size is specified in the
constructor both pairs of properties have the same values.
const myImage = new Image(100, 200);
myImage.src = "picture.jpg";
document.body.appendChild(myImage);
This would be the equivalent of defining the following HTML tag inside the
<body>
:
<img width="100" height="200" src="picture.jpg" />