js implements image scaling code compatible with IE and Firefox_javascript skills

The example in this article describes the js implementation of image scaling code that is compatible with IE and Firefox. Share it with everyone for your reference, the details are as follows:

function SetSize(obj, width, height) {
  myImage = new Image();
  myImage.src = obj.src;
  if (myImage.width > 0 && myImage.height > 0) {
    var rate = 1;
    if (myImage.width > width || myImage.height > height) {
      if (width / myImage.width < height / myImage.height) {
        rate = width / myImage.width;
      } else {
        rate = height / myImage.height;
      }
    }
    if (window.navigator.appName == "Microsoft Internet Explorer") {
      obj.style.zoom = rate;
    } else {
      obj.width = myImage.width * rate;
      obj.height = myImage.height * rate;
    }
  }
}

Usage:

Copy code The code is as follows:

This method is applicable to IE, FIREFOX, OPERA, and NETSCAPE tests.

I hope this article will be helpful to everyone in JavaScript programming.