android get width and height of image from src code example

Example 1: how to get img dimensions from remote url js

function getMeta(url, callback) {
    var img = new Image();
    img.src = url;
    img.onload = function() { callback(this.width, this.height); }
}
getMeta(
  "http://snook.ca/files/mootools_83_snookca.png",
  function(width, height) { alert(width + 'px ' + height + 'px') }
);

Example 2: height auto width 100% will ignore width and height

<style>
  img {
    width: 100%;
    height: auto;
    aspect-ratio: attr(width) / attr(height);
  } 
</style>
<img src="hero_image.jpg" alt="" width="500" height="500">

Tags:

Javascript Example

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