DT

Denny Trebbin

Lead Fullstack Developer. Experimenting with bleeding-edge tech. Irregularly DJ. Hobby drone pilot. Amateur photographer.

Oct 22, 2016

In Google Chrome, inspect the element (aka open DevTools), make sure to select the correct HTML representation and then under Styles find the :hov symbol, click on it and select the appropriate 'open' state.

Element states

Firefox has the same feature.

If your dropdown element doesn't open via CSS pseudo classes, extract your JS code and manipulate its state to see it open all the time.

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