How Can I Retrieve the Contents of CSS Rules in JavaScript?

Getting the Contents of CSS Rules

Knowing how to access the values of CSS rules can be valuable for dynamic styling or manipulating the presentation of your elements.

To return a string containing all the contents of a CSS rule in inline style format, you can use the following approach:

function getStyle(className) {</p>
<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">var cssText = "";
var classes = document.styleSheets[0].rules || document.styleSheets[0].cssRules;
for (var x = 0; x < classes.length; x++) {        
    if (classes[x].selectorText == className) {
        cssText += classes[x].cssText || classes[x].style.cssText;
    }         
}
return cssText;

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}

alert(getStyle('.test'));

In this code:

• getStyle is a function that takes a CSS class name as input and returns a string containing the rule values for that class.
• classes is an array of all the CSS rules in the first stylesheet in the document.
• The loop iterates through the rules, checking if the selectorText property (which contains the selector associated with the rule) matches the given class name.
• If a match is found, the cssText property (which contains the inline representation of the rule) is appended to the cssText variable.
• Finally, the cssText variable is returned and displayed in an alert box.

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