Determine the size of a pixel by analyzing its zoom percentage

I am facing a technical challenge that involves coding and math, but my skills are better suited to the former than the latter!

My task involves working with a div that is 500 pixels wide and utilizing Jquery.

To begin, I will determine the width of the browser and save it in a JavaScript variable named bwidth.

If bwidth is less than 500px (the width of the div), I need to dynamically resize the div using CSS zoom for optimal display within the browser window.

The coding aspect is straightforward, but the real challenge lies in calculating the appropriate zoom percentage needed for the 500px div to fit perfectly within a browser window of bwdith pixels wide.

The focus here is on adjusting the width, not the height.

For instance, if bwidth is 250px, I can easily calculate that a 50% zoom is required because I know 250 is half of 500. But how do I programmatically determine this percentage?

And what about scenarios where bwidth is 325px? How can I accurately calculate the correct zoom value in such cases?

Any assistance or guidance provided would be greatly appreciated. Thank you in advance.

javascriptmathwidthzoomingpercentage

Answer №1

Consider using the following approach:

let zoomLevel = 100 / (500 / browserWidth);

For instance:

<script>

let zoomLevel = 100 / (500 / browserWidth);
console.log(zoomLevel + "%");

</script>

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