Get Difference of Two Arrays

by Hendy T

HTML

<h2>Get Difference of Two Arrays</h2>

<textarea rows="5" cols="50" id="input-box1" spellcheck="false"></textarea>
<br />
<textarea rows="5" cols="50" id="input-box2" spellcheck="false"></textarea>
<br />
<button id="btn-get" type="button">Get Difference!</button>
<br /><br />
<div><span>Result:</span></div>
<textarea rows="5" cols="50" id="input-result" spellcheck="false"></textarea>

JavaScript

$("#btn-get").click(function() {
    var arr1 = $.trim($("#input-box1").val()).split(', ');
    var arr2 = $.trim($("#input-box2").val()).split(', ');
    var result = jQuery.makeArray($(arr1).not(arr2)).join(', ');
    if (!result) {
        result = jQuery.makeArray($(arr2).not(arr1)).join(', ');
    }
    $("#input-result").val(result);
});