JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Mass Shootings By State</h1>
<br>
<form id="largeform">
    <select id="statedropdown">
        <option value="0">Choose State:</option>
        <option value="Alabama">Alabama</option>
        <option value="Alaska">Alaska</option>
        <option value="Arizona">Arizona</option>
        <option value="Arkansas">Arkansas</option>
        <option value="California">California</option>
        <option value="Colorado">Colorado</option>
        <option value="Connecticut">Connecticut</option>
        <option value="Delaware">Delaware</option>
        <option value="Florida">Florida</option>
        <option value="Georgia">Georgia</option>
        <option value="Hawaii">Hawaii</option>
        <option value="Idaho">Idaho</option>
        <option value="Illinois">Illinois</option>
        <option value="Indiana">Indiana</option>
        <option value="Iowa">Iowa</option>
        <option value="Kansas">Kansas</option>
        <option value="Kentucky">Kentucky</option>
        <option value="Louisiana">Louisiana</option>
        <option value="Maine">Maine</option>
        <option value="Maryland">Maryland</option>
        <option value="Massachusetts">Massachusetts</option>
        <option value="Michigan">Michigan</option>
        <option value="Minnesota">Minnesota</option>
        <option value="Mississippi">Mississippi</option>
        <option value="Missouri">Missouri</option>
        <option value="Montana">Montana</option>
        <option value="Nebraska">Nebraska</option>
        <option value="Nevada">Nevada</option>
        <option value="New Hampshire">New Hampshire</option>
        <option value="New Jersey">New Jersey</option>
        <option value="New Mexico">New Mexico</option>
        <option value="New York">New York</option>
        <option value="North Carolina">North Carolina</option>
        <option value="North Dakota">North Dakota</option>
        <option value="Ohio">Ohio</option>
        <option value="Oklahoma">Oklahoma</option>
       ...

JavaScript

let mjdata = [{
    State: 'Alabama',
    Case: 1,
    Fatalities: 101,
    Injured: 2,
    total_victims: 13
}, {
    State: 'Alaska',
    Case: 5,
    Fatalities: 12,
    Injured: 3,
    total_victims: 513
}, {
    State: 'Alabama',
    Case: 2,
    Fatalities: 3,
    Injured: 999,
    total_victims: 1
}];

document.getElementById("largeform").onchange = function() {
    let j = 0,
    	state = document.getElementById("statedropdown").value;
    document.getElementById("answer4").innerHTML = " ";
    for (let i = 0; i < mjdata.length; i++) {
        if (state == mjdata[i].State) {
            document.getElementById("answer4").innerHTML += "<tr><td>" + mjdata[i].Case + "</td><td>" + mjdata[i].State + "</td><td>" + mjdata[i].Fatalities + "</td><td>" + mjdata[i].Injured + "</td><td>" + mjdata[i].total_victims + "</td></tr>";
            j = j + 1;
        }
    }

    document.getElementById("answer5").innerHTML = j;

}