Get a random String from an Array of Strings

by Dan Vassallo

HTML

<div id="element-container">
    <span id="text-container"></span>
    <button id="string-changer">Change Dat String!</button>
</div>

CSS

#element-container {
    width: 100%;
    text-align: center;
}
#text-container {
    font-size: 30px;
}
button {
    display: block;
    margin: 0 auto;
}

JavaScript

// myArray of strings
var myArray = ['word1', 'word2', 'word3']

// change the inner text of the html to a random index's string on
// load

function changeTheString() {
    // Get a random index from the array
    var randomIndex = myArray[Math.floor(Math.random() * myArray.length)];
    $('#text-container').text(randomIndex);
}
changeTheString();

// change the inner text of the html to the random index's string on
// click

$('#string-changer').on('click', function () {
    changeTheString();
});