The two CSS classes are styled with different border-color values, but only one is being applied correctly

My goal is to modify the border color of a textarea using jQuery. Previously, I achieved this by using

.css("border-color","rgb(250,0,0)")
, and it was working perfectly. However, I have now been advised against using CSS directly in JavaScript and told to use classes instead.

To adhere to this advice, I created a new class called:

.redBorderColor{
    border-color:rgb(255,0,0);
}

In my jQuery code, I then used:

.addClass("redBorderColor")

Upon checking the result in the browser, I noticed that although the class name was added to the textarea's attribute, the border color did not change. Further inspection in Firebug revealed an existing style rule from Pure CSS already being applied to the project:

.pure-form select, .pure-form textarea {
    border: 1px solid #ccc;
    border-radius: 4px;
    box-shadow: 0 1px 3px #ddd inset;
    box-sizing: border-box;
    display: inline-block;
    padding: 0.5em 0.6em;
}

My question is how can I ensure that my new custom style class takes precedence over the previous one? Currently, it seems like Firebug is overriding my styles.

Answer №1

Before we proceed, let's address a typo in your code: instead of redBorderClass, it should be redBorderColor.

In addition to fixing the typo, you should ensure that the redBorderColor CSS class has higher specificity than any other styling. This can be achieved using !important:

.redBorderColor {
    border-color: rgb(255, 0, 0) !important;
}

Alternatively, you can increase the specificity of the selector:

.pure-form textarea.redBorderColor {
    border-color: rgb(255, 0, 0);
}

Keep in mind that the latter approach is generally considered best practice.

Answer №2

You've encountered an issue

.blueBorderColor

whilst attempting to include:

blueBorderClass

The problem appears to be a simple typo. Your CSS selector is defined as .blueBorderColor, where the discrepancy lies in the spelling of Color.

On the flip side, when adding the class with JavaScript/jQuery, you mistakenly used blueBorderClass instead of blueBorderColor.

Answer №3

If you wish to disregard or not take into account the previous class, simply remove the current class and insert your own.

.removeClass('pure-form').addClass("redBorderColor");

After that, include this in your class to maintain the other settings:

border-radius: 4px;
box-shadow: 0 1px 3px #ddd inset;
box-sizing: border-box;
display: inline-block;
padding: 0.5em 0.6em;

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