How Can I Retrieve a CSS Percentage Value Using jQuery?

Retrieving CSS Percentage Value in jQuery

In web development scenarios, retrieving specific CSS property values can be crucial for manipulating and customizing elements. This question tackles the issue of obtaining the percentage value of a CSS rule in jQuery, particularly when the rule utilizes a percentage-based declaration.

As presented in the question, the target rule is defined as:

.largeField {
    width: 65%;
}

The challenge lies in capturing this "65%" value in jQuery, avoiding the conversion to pixel values. To address this, the solution leverages the direct access to CSS properties through element styles:

$('.largeField')[0].style.width

In this approach, we fetch the first element matching the .largeField selector and retrieve its inline CSS width property value, which holds the desired percentage value. This approach circumvents the limitations of using DOM methods in complex stylesheet scenarios.

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