JSFiddle - React, Tailwind, and code Playground

by mjmitche

HTML

<ul id="list1">
        <li class="a">item 1</li>
        <li class="a">item 2</li>
        <li class="b">item 3</li>
        <li class="b">item 4</li>
    </ul>
<p class="a">This is paragraph 1</p>
<p id="para1">This is paragraph 2</p>
<p class="b">This is paragraph 3</p>
<p id="para2">This is paragraph 4</p>

CSS

.a { color: Navy; }
.b { color: Maroon; }

JavaScript

$("document").ready(function() {
        // Inspect the length and size() of a result set
        alert("There are " + $("p").length + " <p> elements");

        // use the get() and get(index) to retrieve DOM elements
        var elems = $("li").get();
        alert("There are " + elems.length + " <li> tags");
        alert($("li").get(0));

        // use the find function
        $("ul").find("li.b").css("border", "3px solid red");

        // use the each function
        var leftmargin = 0;
        var border = 3;
        $("p").each(function() {
            $(this).css("border", border+"px solid red");
            $(this).css("margin-left", leftmargin);
            border += 2;
            leftmargin += 10;
        });
    });