JSFiddle - React, Tailwind, and code Playground

HTML

<div id="seeds">
    <div id="one">one</div>
    <div id="two">two</div>
    <div id="three">three</div>
</div>
<a href="#">one</a>
<a href="#">on</a>
<a href="#">One</a>
<a href="#">two</a>
<a href="#">Two</a>
<a href="#">three</a>
<a href="#">Three</a>

JavaScript

$("a").live("click", function(event){
    var seed  = $(this).text(),
        found = false;
    $.each($('#seeds').find('*'), function () {
        if ($(this).text() == seed) {
            found = true;
        }
    });
    if (found){
        alert("already have it");
    }
    else {
        alert('that\'s new');
    }
    return false;
});