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CSS: Tips and tricks when using CSS Attribute Selectors

Last updated: 3rd July 2020

Here are some tips I made about CSS Attribute Selectors. Hope it's helpful!

Demonstration of CSS Attribute Selectors

Here's the element we're trying to match against:

<a href="https://umaar.com/dev-tips">Dev Tips</a>

This selector below matches the element since the element has an href attribute:

a[href] {} 

The selector below matches too as the element has this exact href attribute value:

a[href="https://umaar.com/dev-tips"] {}

The href attribute value does include the string .com, so the selector below is a matching selector:

a[href*=".com"] {}

The href value does start with the string https:, therefore this selector below matches:

a[href^="https:"] {}

The href value ends with the string /dev-tips, so this selector below also matches:

a[href$="/dev-tips"] {}

The special i operator

There is also a special operator you can use in CSS Attribute Selectors:

The operator is i and here's how it works.

The element below is the one we're trying to match:

<a href="https://umaar.com" title="Home">Home</a>

⚠️ This selector below will not match due to case sensitivity. Notice the element uses the string Home but the CSS selector specifies home - in lowercase:

a[title="home"] {}

✅️ This selector below will match because the i treats it as case insensitive:

a[title="home" i] {}

Pictures and tweets

Here are some pictures of the code shown above, if you prefer that at all.

And here are the two tweets where I posted the pictures, tweet 1 and tweet 2.

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