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OK, guys, what we want to do right here is to make something here for the JavaScript, so when I load



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the page, I want this to appear.



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So let's think about it.



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Why are we doing this?



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Let's just leave it like that.



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But I'm going to tell you why there is a reason for this part.



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Some browsers are are plugging the JavaScript.



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So if I use this one for the C.



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S, the user will not be able to click on light mode or dark mode.



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So he will not be able to browse this Web site.



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So we will need to add a JavaScript.



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So if the browser is plugging the JavaScript, then you will not be affected with this thing right here.



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We can just go here and say yes to the choice and give it this play,



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OK?



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And here we have the display of none.



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We can go now to the JavaScript right here.



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I've added this before so we can just delete it.



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OK, we can make here a function and the name of the function.



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We can just click to choice.



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I can delete the parameters were done and then here we can make a document queries and Lechter to be



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for the cha cha cha cha cha cha.



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That's the thing.



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Yes.



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And this one to be having some title of this play style does play to equal.



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We can just go to the Ts to the page, but we want to add here a function, the function we will not



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use unclick, we will use the function which is on.



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So when I load the page, I want the function to be huben what function they want to be happened.



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I want for choice.



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We can just go and reload.



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So now we got this.



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OK, and I'm going to show you why, why we are doing this.



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Let's say that a browser is plugging the JavaScript.



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So if I believe this one and go here, the page will not be affected if they are plugging the JavaScript.



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OK, that's good.



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In the next video, we will add the date for this part.



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So good luck and have fun.