How can I retrieve the height of a hidden image in Internet Explorer?

I am encountering an issue with images that have been set to display:none. I am using javascript (

document.getElementById('elem').height
) to retrieve the height/width of these images.

While this method works in most browsers, IE is reporting the height as 0. This is likely due to the fact that the display property is set to none. When I remove the display:none property, the correct height is reported. I also tried wrapping the images in a div and setting the div's display to none instead, but this did not resolve the issue.

What is the common solution for handling this situation?

javascriptcssinternet-explorer-7

Answer №1

If you want to determine the size of an image without taking into account any styles or attributes specified in the HTML, you can create a new Image object with the same source.

This method does not affect the HTML structure or stylesheets of the document, nor does it impact the length of the included images array when testing for image presence.

var im = new Image();
im.src = element.src;
return [im.src,  im.width, im.height];

Answer №2

One possible solution is to apply the CSS property visibility: hidden;, possibly along with position:absolute, in order to prevent any unwanted flickering effect. This can be especially useful when you need to calculate the height of an element before displaying it.

Answer №3

Here's a suggestion:

  1. Move it out of sight
  2. Show it by setting display to block
  3. Determine its height
  4. Hide it again by setting display to none
  5. Return it to its original position

Answer №4

When elements have a display property of "none," it means they do not appear on the screen and therefore do not have height or width dimensions.

If you want to maintain the element's height and width while hiding it, you can try setting its visibility to "hidden" instead.
This method, however, will keep the space allocated for the element in the layout, potentially affecting the overall design. To address this issue, you can change the position to either absolute or fixed, thereby removing it from the document flow. Additionally, consider adjusting the z-index to a negative value to ensure the hidden element remains behind other page elements, preventing any interference with user interaction despite being invisible.

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