Top method for concealing image within adaptable block

I am currently working on making the header slideshow responsive. I encountered an issue where I couldn't use the CSS property background with cover. Instead, I need to utilize <img> inside a div.

<div class="parent">
  <img src="slide.jpg" alt="">
</div>

In my attempt to solve this problem, I wrote the following code:

var imageContainer = $('.header');

var headerHeight = $('header').outerHeight();
var headerWidth = $('header').outerWidth();
var imgHeight = 498;
var imgWidth = 1900;
imageContainer.find('img').each(function() {
    var ratio = headerWidth / imgWidth;
    var newWidth = imgWidth * ratio;
    var newHeight = imgHeight * ratio;

    if (newHeight < headerHeight) {
        ratio = newHeight / imgHeight;
        $(this).css({
            'height'      : headerHeight,
            'margin-left': -(imgWidth * ratio / 2)
        }) 
    } else {
        $(this).css({
            'width'      : newWidth,
            'margin-left': -(newWidth/2)
        })
    }

})

To illustrate, let's consider a scenario where the parent block is 2500x400 and the image is 1900x1400. Alternatively, the parent block could be 400x400.

I am seeking the most effective solution for ensuring responsive images within the block.

Any suggestions would be greatly appreciated. Thank you.

Answer №1

I find using CSS rules to be the best approach for creating responsive images.

.container {
background-image: url(image.jpg);
background-repeat: no-repeat;
background-size: auto;
}

Check out Playit W3C Schools for more information.

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