Q
What does the following jQuery code achieve: $('img').each(function() { var src = $(this).attr('src'); if($(window).width() < 768) { $(this).attr('src', src.replace('large', 'small')); } });

Answer & Solution

Answer: Option B
Solution:
This jQuery code replaces the image sources with smaller versions for screens smaller than 768 pixels, optimizing performance and load times on mobile devices.
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A). By replacing CSS3 entirely

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