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In addition to the element I.D. and class elector there are a number of other selectors that jury supports

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will go through a few in this lesson for a more comprehensive list check the file in the downloads folder

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corresponding to this lecture we can apply in action to all the elements in an HCM l document using

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the asterisk

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if we save the file and preview this in our web browser

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you'll notice I when we clicked the hide button it hides all the elements

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we can also apply in action to the current HDMI out element by using the this selector and in this case

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the current element would be the button itself

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so if we refresh the web browser and click hide the hide button disappears

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we can select all button elements using the button selector

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and if we could hide again the button disappears so as you can see changing the selector is fairly easy

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and there's many different options so do check the file in the downloads folder for a more comprehensive

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list.