Just imagine
background-size: 50% auto;
If I desire to capture the "auto" value, is there a way for me to determine the new height or width?
Just imagine
background-size: 50% auto;
If I desire to capture the "auto" value, is there a way for me to determine the new height or width?
When utilizing CSS3, the 'background-size' property is actually relative to the containing element. This means that specifying '50% auto' will consistently represent half the width of its container.
If you need to determine half of the width with jquery, you can achieve it like this:
$(function() {
var w = $('.specificcontainer').width() / 2;
alert(w);
});
By setting two values, you establish both width and height parameters. By leaving the height as 'auto', the image will maintain its original proportions rather than resizing to 50% height. This can make it challenging to retrieve the exact 'height' value without knowing the initial image proportions. However, you can easily extract these values into JavaScript by generating a new DOM element and examining its dimensions:
$(function() {
var img = new Image();
img.src = 'images/selectedimage.jpg';
var w = $('.specificcontainer').width() / 2;
var h = (w / img.width) * img.height;
alert(h);
});
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