DOM_Intro_Exercise
Practice manipulating the DOM!
In a separate JS file:
When the page loads:
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Change the greeting from "Hello, There!" to "Hello, World!". 
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Set the background color of each <li>toyellow.
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Create an image tag, set its srcattribute tohttp://49.media.tumblr.com/tumblr_m6qt1rjPSz1rxjzkho1_500.gif, and append the to the#greetingdiv.
Afterwards:
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Add the class of selectedto an<li>when it is clicked. Remove it from any otherlis as well.
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Change the image to be the most recently clicked food item. 
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When the gray div is moused over, it's removed from the DOM. 
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When the orange div is moused over, its width doubles. When the mouse moves out of the div, it returns to its original size. 
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When the reset button is clicked - remove the selectedclass from each<li>and change the image topanic.jpeg.
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When the 1, 2, 3, 4, 5, 6, 7, 8, 9, or 0 key is pressed, the page alerts the message "I HATE NUMBERZZZ!" 
BONUS: If someone types the Konami Code, the page alerts "YOU ARE AN EVENT HANDLER GURUUUUUUUUU!"