<!-- It is possible to find which element was selected. -->
<!-- Using $(this) in an event function does just that. -->
<!-- var elm = $(this) sets elm to the clicked element. -->

<script>
    li = $("li");
    function toggleStriked() {
        $(this).toggleClass("striked");
    }
    li.on("click", toggleStriked);
    
    h2 = $("h2"); // This sets h2 to all h2 elements.
    function toggleBold() {
        // $() also accepts 'this' as an argument.
        // 'this', when inside of an event function is...
        // ... the specific target for the event!
        // Look at "toggleStriked" for an example.
        // Toggle the class "bold" on the clicked h2:
            $(h2).toggleClass("bold");
    }
    // When any h2 is clicked, perform "toggleBold".
    h2.on("click", toggleBold);
</script>
<style>
    .bold {
        font-weight:bold;
        font-size:xx-large;
    }
    .striked {
        text-decoration:line-through;
    }

    li {
        cursor: pointer;
        font-size:large;
    }
</style>
<h1>Agatha's Lists</h1>
<h2>Witch's Grocery List</h2>
<ul>
    <li>Newt's Eye</li>
    <li>Milk of the Dandelion</li>
    <li>Tusked Trout</li>
    <li>Oats</li>
    <li>Unicorn Dust</li>
</ul>
<h2>Toadstool Stew Recipe></h2>
<ol>
    <li>Bring cauldron to boil.</li>
    <li>Add eye of newt.</li>
    <li>Stir with wooden spoon.</li>
    <li>Add sprinkle of dehydrated toadstool.</li>
    <li>Enjoy!</li>
</ol>

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