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Jump from a CSS variable usage to where it is defined
CSS custom properties (also called variables) are very useful to avoid repeating values in CSS, like colors for example.
You can define and use a custom property as shown below:
Sometimes, it can be hard in DevTools to see both the place where the variable is used and the place where it is defined. There may be a lot of rules and properties that apply to an element, requiring a lot of scrolling and searching.
In Edge and Chrome, you can simply click on a
var(--foo) function to jump to where the
--foo variable is defined!
- In Edge or Chrome, select an element in the Elements panels which has CSS rules applied that use custom properties.
- Hover over the property name inside the
var()function. You can see the value in a tooltip.
- Click on the property name.
- The Styles panel scrolls to where the property is defined and highlights it for a second.